what total volume of steel can be used in making the drum if the gasoline-filled drum is to float in fresh water?

Answers

Answer 1

The total volume of steel can be used in making the drum if the gasoline-filled drum is to float in fresh water is 9 L

How to calculate total volume of steel can be used in making the drum if the gasoline-filled drum is to float in fresh water?

The space occupied within an object's borders in three dimensions is referred to as its volume. It is referred to as the object's capability on occasion.

Assuming that gasoline has a density of 750 kg/m3 and steel has a density of 7800 kg/m3 as the density of gasoline is not specified.

There are 2 constraints: 1.  volume of steel + volume of gasoline = volume of water and at the threshold of sinking, 2.  mass of steel + mass of gasoline = mass of water

240L * 1m³ / 1000L = 0.240 m³

first: Vs + Vg = Vw = Vs + 0.240m³

second: ρs*Vs + ρg*Vg = ρw*Vw → substitute for Vw, Vg and all the densities

7800*Vs + 750*0.240 = 1000*(Vs + 0.240) (7800 - 1000)*Vs = 240 - 750*0.240 Vs = 60 / 6800 = 0.00882 m³ = 8.82 L ≈ 9 L

Therefore total volume of steel can be used in making the drum if the gasoline-filled drum is to float in fresh water is 9 L

The complete question is : Because gasoline is less dense than water, drums containing gasoline will float in water. suppose a 240-l steel drum is completely full of gasoline. part a what total volume of steel can be used in making the drum if the gasoline-filled drum is to float in fresh water?

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Related Questions

in blind cave fish, eyes do not form. however, transplantation of the lens from a closely-related aboveground fish into the optic cup of the cave fish induces eye development. what does this suggest about the loss of vision in the cave fish?

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According to Moran, the evidence points to pleiotrophy and energy savings as two key factors in the cavefish eye loss.

How does evolution explain why cavefish are blind?

Mexicanus was created through natural selection, pleiotropy, and genetic drift, not through human initiative. Organisms get what they need via natural selection. The fish must conserve energy to avoid going blind. Fish lose their eyes because they are unnecessary.

Why is cavefish's vision not more crucial?

The Mexican tetra (Astyanax mexicanus) has been evolving in caves for the last few million years in forms that are blind. The loss of eyes is a major benefit for creatures living in the dark since maintaining eyes and the visual regions of the brain requires a lot of energy. The cavefish instead "sees" by sucking.

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how does a period of extremely fast inflation very early in the history of the universe explain the observation that the geometry of the universe looks flat (not curved) to us?

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The observation that the geometry of the universe looks flat (not curved) to us is inflation increased the size of the universe so much that the resulting universe looks flat from any point of view

What caused inflation in the early universe?

It is presently thought that the cause of the discovery is that space itself is expanding, and that it expanded very rapidly in the first fraction of a second following the Big Bang, based on a significant amount of experimental observation and theoretical work.

The cosmos initially expanded faster than the speed of light (light's speed restriction only applies to objects within the universe). Its early chaos was smoothed out as a result, and it also meant that distant portions that are today far apart were once in close proximity and could exchange heat.

And it undoubtedly did. That was in the first nanosecond of the universe's existence, during the era of inflation.

The complete question is : How does a period of extremely fast inflation very early in the history of the universe explain the observation that the geometry of the universe looks flat (not curved) to us?

a. during inflation a lot of the mass drained out of the universe, leaving its gravity much weaker

b. inflation increased the size of the universe so much that the resulting universe looks flat from any point of view

c. inflation led to the production of so much dark matter that the universe got pulled into the shape of a black hole

d. inflation caused the temperature of different parts of the universe that can't see each other still be the same

e. The universe is actually highly curved and not flat

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During a protostar's T Tauri phase, it
a. begins a period of reduced activity.
b. expands dramatically.
c. may develop very strong winds.
d. changes its spin direction.
e. lies on the main sequence.
c

Answers

During a protostar's T Tauri phase, it may develop very strong winds.

The prostate is placed just underneath the bladder and in front of the rectum. it is about the size of a walnut and surrounds the urethra (the tube that empties urine from the bladder). It produces fluid that makes up part of semen. As a person has a long time, the prostate tends to increase in size.

Acute prostatitis is generally triggered when bacteria within the urinary tract enter the prostate. The urinary tract includes the bladder, kidneys, the tubes that join the kidneys to the bladder (ureters), and the urethra.

The prostate performs an essential function in male fertility and intercourse existence. although men can survive without a prostate, unfortunately, for lots of men, prostate elimination outcomes in terrible nice of existence, issues like erectile dysfunction, and more.

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• (n) if we take the potential energy of a i oo-kg object and earth are zero when the two are separated by an infinite distance, what is the potential energy when the object is at the surface of earth? (b) find the potential energy of the same object at a height above earth's surface equal to earth's radius. (c) find the escape speed for a body projected from this height.

Answers

The potential energy of the object when it is at the surface of the Earth is -3.53 x 10^14 J

What is potential energy?
Potential energy
in physics is the energy that an object retains as a result of its position in relation to other objects, internal stresses, electric charge, or even other elements. The gravitational potential of an object, this same elastic potential energy of a stretched spring, as well as the electric potential power of the an electric charge inside an electric field are examples of common types of potential energy. The joule, denoted by the letter J, is the energy unit inside the International System of Units (SI). Although it has connections to the Greek philosopher Aristotle's idea of potentiality, the term "potential energy" was coined by the Scottish engineer as well as physicist William Rankine in the 19th century.

(a) The potential energy of the object when it is at the surface of the Earth is equal to the gravitational potential energy, which is calculated by the equation:
PE = -GmM/r
Where G is the gravitational constant (6.67 x 10^-11 m^3 kg^-1 s^-2), m is the mass of the object (100 kg), M is the mass of the Earth (5.98 x 10^24 kg) and r is the distance between the object and the center of the Earth (6.37 x 10^6 m).
Therefore, the potential energy of the object when it is at the surface of the Earth is:
PE = -GmM/r = -6.67 x 10^-11 x 100 x 5.98 x 10^24 / 6.37 x 10^6 = -3.53 x 10^14 J

(b) The potential energy of the object when it is at a height above the Earth's surface equal to the Earth's radius is calculated by the same equation as above, but with a different value for r. Since the height is equal to the Earth's radius, the distance between the object and the Earth's center is doubled and the potential energy is equal to:
PE = -GmM/r = -6.67 x 10^-11 x 100 x 5.98 x 10^24 / (2 x 6.37 x 10^6) = -1.76 x 10^14 J

(c) The escape speed for a body projected from this height is calculated by the equation:
v_esc = sqrt(2GM/r)
Where G is the gravitational constant (6.67 x 10^-11 m^3 kg^-1 s^-2), M is the mass of the Earth (5.98 x 10^24 kg) and r is the distance between the object and the Earth's center (2 x 6.37 x 10^6 m).
Therefore, the escape speed for a body projected from this height is:
v_esc = sqrt(2GM/r) = sqrt(2 x 6.67 x 10^-11 x 5.98 x 10^24 / (2 x 6.37 x 10^6)) = 11.2 km/s

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The milky way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on earth cannot see the entire shape of the milky way?.

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As stated in the preceding statement The galaxy's core has a very modest number of stars.

How do you define a galaxy?

Countless stars, solar systems, gasses, and dust make up a galaxy. Gravity binds a galaxy together. Additionally, the Milky Way, the galactic core of our galaxy, has a supermassive black hole. As you scan the stars at night for stars, you notice more stars within the Milky Way.

The number of galaxies in the universe.

The original estimate of the number of galaxies was revised in 2021 to around 200 billion galaxies (21011). The majority of galaxies are 1,000 to 100,000 parsecs in diameter (roughly 3,000 to 300,000 light years), and are separated by distances on the order of billions of light years.

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a 1.2 m long beam is free to rotate about its left end. what force f must be applied at the right end for the beam to not rotate?

Answers

The force f must be applied at the right end for the beam to not rotate is

F = 475 N.

Solution:

1.2f = 980 x 0.5 + 320x 0.25

F = 475 N.

Theoretically, when two or more parallel forces are applied to a horizontal beam the beam can be balanced by applying one force equal and opposite to the resulting R. increase. The balance of downward forces must be equal and opposite to their resultant force.

Torque is a measure of the force that rotates an object about an axis. Torque causes an object to undergo angular acceleration in the same way that force accelerates an object in linear kinematics. Torque is the rotational equivalent of force. Therefore, the net torque causes the object to rotate with angular acceleration.

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two wheels, a and b, have the same shape and size, but wheel a has twice the mass of wheel b. how do the moments of inertia (around the axis of symmetry) of the two wheels compare?

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The moment of inertia of wheel a will be twice the moment of inertia of wheel b. This is because the moment of inertia is proportional to the mass of an object.

What is inertia?

The concept of inertia states that an object will maintain its current motion until a force changes its speed or direction. The phrase should be understood as a shortened form of Newton's first law of motion's description of "the principle of inertia." Newton's Latin is directly translated into the word "perseveres" in this sentence. In contemporary textbooks, other, softer words like "to continue" as well as "to remain" are frequently used. The modern application results from some modifications made by Euler, d'Alembert, as well as other Cartesians to Newton's original mechanics (as noted in the Principia).

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the technology that allows engineers to penetrate rock at multiple angles instead of simply a straight line is called(1 point)

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The method used by engineers to pierce rock at angles other than just a straight line is known as directional drilling.

What is method?
A procedure connected to a message and an object is referred to as a method throughout object-oriented programming (OOP). An object is made up of state information and behaviour, which together make up the interface that outlines how any of the object's various consumers may use it. A method is indeed a consumer-parametrized behaviour of an object. Behaviors have been represented as methods, while data is represented as an object's properties. For instance, a Window object may have properties like open and close as well as methods like open and close, and its state (whether it is opened or closed at any given time) would be a method.

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find the energy in electron volts for a particle with this wavelength if the particle is an electron.

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A) The energy in electron volts for a particle with this wavelength if the particle is a photon is; .E = 4969.5 eV or 4.9695 Kev

B) B) If a particle with this wavelength is an electron, its energy in electron volts is E = 23.58 eV.

C) E = 0.003306 eV

How to Find the energy in electron volts for a particle with this wavelength if the particle is a photon.?

A) The formula for the energy here is;

E = hc/λ

where;

h is Planck's constant

= 6.626 × 10⁻³⁴ J.s

c is speed of light

= 3 × 10⁸ m/s

wavelength is equal to 0.25 nm (0.25 x 109 m).

Thus;

E = (6.626 × 10⁻³⁴ × 3 × 10⁸)/(0.25 x 10⁻⁹)

79.512 × 10⁻¹⁷ J

converting to eV gives;

E = (79.512 × 10⁻¹⁷)/(1.6 × 10⁻¹⁹)

E = 4969.5 eV or 4.9695 keV

B) Formula for the energy if the particle is an electron is;

E = h²/(2mλ²)

where m = 9.31 × 10⁻³¹ kg

E = (6.626 × 10⁻³⁴)²/(2 × 9.31 × 10⁻³¹ × (0.25 x 10⁻⁹)²)

E = 37.726 × 10⁻¹⁹ J

Converting to eV gives;

E = (37.726 × 10⁻¹⁹)/(1.6 × 10⁻¹⁹)

E = 23.58 eV

C) Mass of alpha particle is; m = 6.64 × 10⁻²⁷ kg

E = h²/(2mλ²)

where m = 6.64 × 10⁻²⁷ kg

E = (6.626 × 10⁻³⁴)²/(2 × 6.64 × 10⁻²⁷ × (0.25 x 10⁻⁹)²)

E = 52.896 × 10⁻²³ J

Converting to eV gives;

E = (52.896 × 10⁻²³)/(1.6 × 10⁻¹⁹)

E = 0.003306 eV

The complete question is : For crystal diffraction experiments, wavelengths on the order of 0.25 nm are often appropriate.

A) Find the energy in electron volts for a particle with this wavelength if the particle is a photon.

B) Find the energy in electron volts for a particle with this wavelength if the particle is an electron.

C) Find the energy in electron volts for a particle with this wavelength if the particle is an alpha particle (m=6.64×10−27kg).

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g an apple pie in a 9.00 in diameter plate is placed upon a rotating tray. then, the tray is rotated such that the rim of the pie plate moves through a distance of 158 in. express the angular distance that the pie plate has moved through in revolutions, radians, and degrees.

Answers

The angular distance should be the angular distance that the pie plate has moved through in revolutions, radians, and degrees are 5.59 revolution and  2012.4° respectively.

In revolution, θ = 8.24 revolution.

In radian = θ = 57.78 rad.

In degree θ = 2966.4°.

Calculation of the angular distance:

Since

Pie diameter = 9 in

So,  the circumference of the pie should be

P = πd = 9π in

And, rim of the pie rotates 158 in,

So,

1 Revolution of the pie is 9π in,

So, for 158 it should be

= 158 in / 9π in revolution

= 5.59 revolution

Now in the case when

1 revolution is 2πrad

So,

5.59 revolution = 5.59 × 2π = 87.79 rad.

And also, 1 revolution is 360°

5.59 revolution = 5.59 × 360 = 2012.4°

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which lighting method has most of the light from the light source reflected away from the camera, with the light usually at an angle of less than 45 degrees or focused off the object

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Diffused lighting method has most of the light from the light source reflected away from the camera, with the light usually at an angle of less than 45 degrees or focused off the object.

What is Diffused lighting method ?

Light that has been filtered by something is known as diffused light or soft light. Diffused sunlight passes through a sheer curtain. Compared to the direct light of a bare bulb, the light that comes from behind a lampshade is diluted. The light is softened and dispersed by the lampshade. Golden hour, for instance, has softer sunlight because the sun is at an angle and the surrounding environment works as a diffuser.

Similar to this, a diffusion sheet can be used to filter the harsh light from the sun or another light source to create a soft, uniform glow that complements any time of day.

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Rank in order, from least stable to most stable, the three glasses of water shown. Rank the glasses from least stable to most stable. If two glasses have the same stability, place one on top of the other.

Answers

Tall narrow, tapered, short fat is correct answer.

What is Glass?

Glass is a transparent, solid-like material that is used in a variety of everyday items. The three naturally occurring primary raw materials needed to produce glass are sand, soda ash, and limestone. To make glass, these materials are melted at very high temperatures. At low temperatures, glass behaves like a solid, but at high temperatures it has a structure similar to that of a liquid. In order to create a wide range of shapes, glass can be poured, blown, pressed, and moulded.

A lengthy history of glass manufacture dates back to around 3500 BC, when it is believed that glass was first artificially created in Egypt and Mesopotamia for use as jewellery and then as vessels.

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a wave propagates at a well defined velocity that depends on the properties of the medium that carries the wave. group of answer choices true false

Answers

the statement is True

Oscillations cause disturbances in the medium, and these disturbances, are known as waves and, they propagate or move from one place to another.

There are several types of waves:

mechanical waves are those that propagate through a material medium.

electromagnetic waves are those waves that travel without a physical medium.

A wave moves at a certain speed based on the kind of medium it propagates through.

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A bowler uses a lane with a coefficient of kinetic friction of 0.211. The bowler releases her 5.20 kg bowling ball with a translational speed of 2.35 m/s. At the moment of release, the ball is not rotating. As the ball slides, it begins to rotate.

What is the work nc done by friction on the ball before it transitions to rolling without slipping? Use =9.81 m/s2 for the acceleration due to gravity.

Answers

The work done by friction on the ball before it transitions to rolling without slipping is 7.04 J.

What is the final velocity of the bowling ball?

The final velocity of the bowling ball is calculated by applying the principle of conservation of angular momentum as follows;

Li = Lf

mv₁r = mv₂r + Iω

where;

I is the moment of inertia of the bowlω is the angular velocity of the ballv₁ is the initial velocity of the ballv₂ is the final velocity of the ball

mv₁r = mv₂r + (²/₅mr²)ω

mv₁r = mv₂r + (²/₅mr²)(v₂/r)

mv₁r = mv₂r + (²/₅mr)(v₂)

r(mv₁) = r(mv₂ + ²/₅mv₂)

mv₁ = mv₂ + ²/₅mv₂

v₁ = v₂ + ²/₅v₂

v₁ = 7v₂/5

7v₂ = 5v₁

v₂ = 5v₁/7

v₂ = (5 x 2.35 m/s)/7

v₂ = 1.678 m/s

The work done by friction on the ball before it transitions to rolling without slipping is calculated as follows;

work done by friction = change in kinetic energy of ball

ΔK.E = ¹/₂m(v₂² - v₁²)

ΔK.E = ¹/₂ x 5.2(1.678² - 2.35²)

ΔK.E = -7.04 J

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Answer:

-7.03266 N

Explanation:

Work = Final kinetic energy - initial kinetic energy

[tex]W_{nc} = K_{f} - K_{i}[/tex]

Finding initial kinetic energy:

[tex]K_{i}=\frac{1}{2}mv^{2}= \frac{1}{2}(5.2)(2.35)^{2}=14.3585\\[/tex]

Finding final kinetic energy:

We have mass, but don't have final velocity. Have to find [tex]v_{f}[/tex] next.

We can use the kinematics equation combined with the fωorce equation. The force that slow the ball down is friction force. [tex]v_{f}=v_{0}+at=v_{0}+\frac{F}{m}t=v_{0}-\frac{f}{m}t[/tex]

Finding f/m

f=μmg ⇒ (f/m)=μg=0.211(9.81)=2.06991

Plug that back into the equation

[tex]v_{f}=2.35-2.06991t[/tex]

Now to find time, we can use angular velocity

τ=fR and α=τ/I and [tex]I=\frac{2}{5}MR^{2}[/tex], so [tex]\alpha =\frac{fR}{\frac{2}{5} MR^{2}}=\frac{5ug}{2R}[/tex]

ω=αt=(5μg)(t)/(2R)=5.174775(t/R)

v=rω=5.174775t

Therefore, [tex]v_{f}=2.35-2.06991t=5.174775t[/tex]

t=0.32437

Plug time back into the v_f equation.

[tex]v_{f}=2.35-2.06991(0.32437)=1.67858[/tex]

Plug v_f back into the K_f equation

[tex]K_{f}=\frac{1}{2}mv^{2}= \frac{1}{2}(5.2)(1.67858)^{2}=7.32584[/tex]

Work done by friction

[tex]W_{nc} = K_{f} - K_{i}=7.32584-14.3585=-7.03266[/tex]

an infinite moderator contains unifonnly distributed isotropic sources emitting s neutrons/cm3 -sec. detennine the steady-state flux and current at any point in the medium.

Answers

The steady-state flux and current at every location in the medium are given by Ф ≅( S(2^1/2)/π*d)* e^-a/(2)^1/2*L. Since there are isotropic sources that are equally distributed and emit s neutrons per cm3/s

According to Fick's first law, which stipulates that diffusion flow is proportional to concentration gradient, steady-state flux diffusion processes are identified by this property. Diffusion coefficient or diffusivity are other names for the proportionality constant, D. It is expressed in m2/sec. J x can be used to represent the one-dimensional case for steady-state flux. The movement of electrical charge carriers like electrons is known as current. Positive and negative locations both experience current flow. The ampere is the SI unit for calculating electrical current (A). The movement of electrical charge carriers like electrons is known as current. Positive and negative locations both experience current flow.

Ф ≅( S/4*π*d)* e^(r/l)/r

Ф ≅( S/4*π*d)* e^-a/(2)^1/2*L

Ф ≅( S(2^1/2)/π*d)* e^-a/(2)^1/2*L

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Scientists at a metallurgic factory are testing different metals to study the strength of the electrical forces between their atoms. They determined the force needed to bend a sheet of each metal and found that metal a requires 50 n of force, metal b requires 30 n, metal c requires 70 n, and metal d requires 100 n. Which metal will have the lowest melting point?.

Answers

The metal that has the lowest melting point must be the metal that has the lowest density and therefore is easiest to bend. That is metal B.

The melting point of the metal depends upon the types of bonds between the metal atoms. The relationship between the melting point of a substance and the strength of the intermolecular force of that substance is directly proportional. That means that the stronger the intermolecular forces of the substance, the higher the melting point of the substance.

Tungsten has the highest melting point of any metal in the periodic table is 3422 °C.

As the strength of the intermolecular forces increases, more energy is needed to disrupt the attraction between these molecules. As a result, increasing intermolecular forces results in a concomitant increase in melting point.

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Determine the velocity of a car that starts at rest and has a final velocity of 20 m/s north.

Answers

Answer:

I don't know what your on about because l am 10

Now consider a wave which is paired with seven other waves into seven pairs. The two waves in each pairing are identical, except that one of them is shifted relative to the other in the pair by the distance shown:
%u2212(1/2)%u03BB 2%u03BB %u22125%u03BB (3/2)%u03BB 0 (17/2)%u03BB (6/2)%u03BB Identify which of the seven pairs will interfere constructively and which will interfere destructively. Each letter represents a pair of waves.
Enter the letters of the pairs that correspond to constructive interference in alphabetical order and the letters of the pairs that correspond to pairs that interfere destructively in alphabetical order separated by a comma. For example if pairs A, B and D interfere constructively and pairs C and F interfere destructively enter ABD,CF.

Answers

The pair BCEG will interfere constructively, while the pair ADF will interfere destructively.

Constructive and destructive interference:

For interference, the waves must be coherent.

Two coherent waves interfere constructively when the path difference is equal to an integral multiple of the wavelength.

That is the path difference must be mλ

where m = 0,1,2,3.... is an integer and λ is the wavelength

So pair BCEG interfere constructively

Two coherent waves interfere destructively when the path difference is equal to a half-integral multiple of the wavelength.

That is the path difference must be (m+1/2)λ

where m = 0,1,2,3....   is an integer and λ is the wavelength

Therefore, the interference is in the pair ADF which is interfere destructively.

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[NOTE: THE COMPLETE QUESTION IS:

Now consider a wave which is paired with seven other waves into seven pairs. The two waves in each pairing are identical, except that one of them is shifted relative to the other in the pair by the distance shown: A. -(1/2) ?B. 2?C. -5?D. (3/2)?E. 0F. (17/2)?G. (6/2)?Identify which of the seven pairs will interfere constructively and which will interfere destructively. Each letter represents a pair of waves. Enter the letters of the pairs that correspond to constructive interference in alphabetical order and the letters of the pairs that correspond to pairs that interfere destructively in alphabetical order separated by a comma. For example if pairs A, B and D interfere constructively and pairs C and F interfere destructively enter ABD,CF.]

The pair BCEG will interfere constructively, while the pair ADF will interfere destructively.

From the question, we have

When the path difference is equal to an integral multiple of the wavelength, two coherent waves interact positively.

That is the path difference must be mλ

where m = 0,1,2,3.... is an integer and λ is the wavelength

Hence, the pair BCEG interfere constructively

Two coherent waves interfere destructively when the path difference is equal to a half-integral multiple of the wavelength.

That is the path difference must be (m+1/2)λ

where m = 0,1,2,3....   is an integer and λ is the wavelength

Hence, the pair ADF interfere destructively

Interference:

Interference is what happens when two or more waves meet each other. Depending on how the peaks and troughs of the overlapping waves line up, they may add up or may partially or completely cancel one another. According to the definition of interference, it is the phenomenon in which two or more waves combine to create a new wave that has a bigger, smaller, or the same amplitude.

Complete question:

Now consider a wave which is paired with seven other waves into seven pairs. The two waves in each pairing are identical, except that one of them is shifted relative to the other in the pair by the distance shown: A. -(1/2) ?B. 2?C. -5?D. (3/2)?E. 0F. (17/2)?G. (6/2)?Identify which of the seven pairs will interfere constructively and which will interfere destructively. Each letter represents a pair of waves. Enter the letters of the pairs that correspond to constructive interference in alphabetical order and the letters of the pairs that correspond to pairs that interfere destructively in alphabetical order separated by a comma. For example if pairs A, B and D interfere constructively and pairs C and F interfere destructively

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. the magnetic field at a distance of 2 cm from a current carrying wire is 4 μt. what is the magnetic field at a distance of 4 cm from the wire? a) 1/2 µt

Answers

The magnetic field at a distance of 4 cm from the wire is B'=2 μT.

What is magnetic field?

The magnetic impact on moving electric charges, electric currents, and magnetic materials is described by a magnetic field, which is a vector field. A force perpendicular to the charge's own velocity and the magnetic field acts on it while the charge is travelling through a magnetic field.

Given that

Distance ,d= 2 cm

magnetic field ,B=  4 μT

we know that magnetic filed at a distance d is given as

[tex]B=\frac{\mu I}{2 \pi d}----1[/tex]

I=Current

When the distance become 4 cm

d' = 4 cm

d'= 2 d

[tex]$$\begin{aligned}B^{\prime} & =\frac{\mu I}{2 \pi d^{\prime}} \\B^{\prime} & =\frac{\mu I}{2 \pi \times 2 d}--2\end{aligned}$$From equation 1 and 2$$\begin{aligned}& \frac{B^{\prime}}{B}=\frac{\frac{\mu I}{2 \pi \times 2 d}}{\frac{\mu I}{2 \pi \times d}} \\& B^{\prime}=\frac{B}{2} \\& B^{\prime}=\frac{4 \mu}{2} T\end{aligned}$$[/tex]

B'=2 μT

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suppose that a disk of indefinite radius is rotated at an angular velocity w in a large volume of liquid

Answers

The central angle relating to an object's position on a circle changes as it moves along a circular path.The rate at which this angle changes with respect to time is known as the angular velocity, denoted by the symbol w.

A Ferris wheel, for instance, might rotate pi / 6 radians every minute.

If a disk of indefinite radius is rotated at an angular velocity $w$ in a large volume of liquid, the liquid will experience a force known as the centrifugal force.

This force is directed radially outward from the axis of rotation and is given by the equation $F = mrw^2$, where $m$ is the mass of the liquid, $r$ is the distance from the axis of rotation, and $w$ is the angular velocity.

The magnitude of the force increases with the mass of the liquid, the distance from the axis of rotation, and the angular velocity of the disk.

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explain the relationship between diffraction angle and wavelength using the two dimensional diffraction relationship n

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Diffraction is defined as the bending of waves through an aperture or around the edges of an obstruction into the vicinity of the barrier and The wavelength's length directly affects the angle of diffraction.

Why is it called wavelength?

When electromagnetic radiation such as radio waves, light waves, or infrared (heat) waves travel through space, they leave behind distinctive patterns. The wave has a distinct size and shape. Wavelength is the separation between peaks (high points).

What occurs if the wavelength is boosted?

A wavelength's frequency plus energy (E) drop as it gets longer. You may conclude from these formulas that the length gets shorter as the frequency rises. The wavelength lengthens as the frequency drops.

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3. an object starts from rest and accelerates forward at a rate of 8.3 m/s/s. how far will the object move in 3 seconds of travel? (3 pts)

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Distance equals 1/2(a) (t) 2. How far an object will go in 3 seconds if it accelerates forward at a speed of 8.3 m/s/s from rest: Distance = 1/2(8.3)(52), Distance = 103.75m.

What does the word "accelerates" mean?

To accelerate one's movement; to gather up speed. The car started to speed up gradually. Recently, the pace of change has accelerated, making it necessary to follow a fast educational curriculum and go through the grades more quickly than is typical. verb in motion

Does "moving" imply "accelerating"?

Acceleration is the general term for any process where the velocity changes. There are only two ways to accelerate: either by speeding up your acceleration or by reversing your acceleration. Because velocity consists of both a speed and a direction, this is the case.

Briefing:

Distance = 1/2(a)(t)^2

Distance = 1/2(8.3)(5^2)

Distance = 103.75m

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two resistors having values of 6 ω and 12 ω are connected in parallel to a 36 v battery. find the power dissipated by the 6 ω resistor.

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The power dissipated by the 6 Ω resistor is: 36 W

What is resistor?
A resistor is a two-terminal passive electrical component used in circuits to implement electrical resistance. Resistors have a variety of uses in electronic circuits, including lowering current flow, adjusting signal levels, dividing voltages, biassing active components, and terminating transmission lines. High-power resistors that really can generate many watts of heat instead of electrical energy can be used as test loads for generators, power distribution systems, and motor controls. With temperature, time, or operating voltage changes, fixed resistors' resistances only slightly fluctuate. Resistors are widely used in electronic equipment and are common components of electrical circuits and networks.

The power dissipated by the 6 Ω resistor is:
P = (36 V)2 / (6 Ω + 12 Ω) = 36 W

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a mass m is attached to a spring with a spring constant k. if the mass is set into motion by a displacement d from its equilibrium position, what would be the speed, v, of the mass when it returns to equilibrium position?

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Answer: The mass when it returns to equilibrium position V=d√(k/m)

Reason:

The mass of the spring is set into simple harmonic motion at the equilibrium position A mass attached to a spring is free to oscillate, with angular velocity ω, in a horizontal plane without friction or damping. It is pulled to a distance X0 and pushed towards the centre with a velocity V0 at time t = 0.

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when a rigid object rotates about a fixed axis, what is true about all the points in the object? (there could be more than one correct choice.)

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When a rigid item rotates along a fixed axis, the following occurs:

They are all moving at the same angular speed.

They are all moving at the same angular velocity.

When a rigid item rotates along a fixed axis, the following occurs:

They are all moving at the same angular speed.

They are all moving at the same angular velocity.

When a rigid item rotates along a fixed axis, all of its angular speeds are the same.

All of the particles in the rotating object have the same angular speed.

They are all moving at the same angular velocity.

All of the particles in the rotating object have the same angular acceleration.

All of this stems from the following relationships:

v=wR

a = alpha*R

where w is the angular velocity and alpha is the angular acceleration.

tangential velocity and acceleration depend on the distance from the axis, whereas angular velocity and acceleration are the same for all the points on the rotating body.

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please someone help i don't know how to do this

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The highest kinetic energy occurs at the points A and G. The highest potential energy occurs at point D.

What is kinetic energy?

We know that kinetic energy has to do with energy that is in motion. On the other hand the potential energy is the energy that is at a point. Both the kinetic energy and the potential energy are all the kinds of mechanical energy.

We have to look at the points where the object would have the highest velocity and these are the points where the kinetic energy of the body is maximum and this would occur at the points A and G. The points where the body has a maximum potential energy is the highest point and this at point  D.

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each of the following statements is best associated with one of the four major geological processes. drag each statement into the correct bin for its associated process.

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The natural forces that mold the planet's surface are geological processes. These processes take place over millions of years and thousands of kilometers at enormous scales.

Impact Catering

Impact Catering mainly took place during the intense bombardment. It is comparable ways across all solid worlds.

Volcanism

Volcanism fashioned the silky lunar maria. eliminated almost all of Io's craters. responsible for the waters and atmosphere on Earth.

Tectonics

This geological process concerns the motion of plates on Earth. This

includes the compression of the surface that creates mountains.

Erosion

Features sculpted by wind are included in erosion.

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An engineer is investigating potential energy with two identical magnetic roller coaster cars on different sides of a center magnet that cannot move. To test her ideas, the engineer will move one car one space. Which movement will result in the largest increase in potential energy?.

Answers

Movement that will result in the largest increase in potential energy : All the movements will result in the same change in potential energy because they each move a roller coaster car for the same distance.

Which movement  will result give largest increase in potential energy?

Since they move in the same direction, therefore share the same magnetic qualities and move one unit identically.

The potential energy increases because train moves against the magnetic force and potential energy does not change because the magnets in the system do not change. Engineer is experimenting with two identical magnetic roller coaster cars on the different sides of a center magnet that cannot move.

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A 90 Kg Painter Is Standing On 4 Kg Board, Which Is 12 M Long And Suspended On Each End By A Rope. The Painter Is Standing 3 M From The Left Side, Closer To The First Rope. Q1) Find The Tension In The First Rope. Q2) Find The Tension In The Second Rope. Q3) The Painter Climbs Down From The Board, Just Before The Second Rope Suddenly Snaps. Find The instantaneous angular acceleration of the board

Answers

The board's instantaneous angular acceleration is 1.225 rad/sec, with the first rope's tension being 681.1 N and the second rope's tension being 240.1 N.

A force along a medium's length is known as tension, particularly a force carried by a flexible medium like a rope or cable. The equivalent of linear acceleration in rotation is called angular acceleration. Angular acceleration is the rate of change of angular velocity, whereas linear acceleration describes the rate of change of linear velocity.

T2*12 - 90g*3 - 4g*6 =0

T2 = 240.1N for the Second Rope's Tension

T1+T2 = 921.2

T1 = 681.1N for the first rope's tension

The board's instantaneous angular acceleration is given by T = I(alpha), which is equal to T = 4(12)^2/3 6*9.8*3/144 = alpha.

The board's instantaneous angular acceleration is equal to 1.225 rad/sec.

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the processes that generate big data can be described by the following four attributes or dimensions: a. variety, vectors, veracity, and velocity b. tall data, wide data, narrow data, and big data c. volume, variability, veracity, and velocity d. volume, variety, veracity, and velocity

Answers

The four dimensions are volume, diversity, velocity, and truth, according to IBM data experts.

D is the ideal choice.

What characteristics do huge data have?

volume, variety, speed, and reliability

Big data is divided into four aspects by IBM data scientists: quantity, diversity, speed, and truthfulness. This infographic describes each and provides examples.

Which of the following describes the size of the data generated?

Volume, the first of the five "V's" of big data, refers to the total amount of data. Volume is similar to the foundation of big data because it represents the initial size and volume of data that is gathered. Big data can be used to describe data that is sufficiently enormous in volume.

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