what is the mass of a large ship that has a momentum of 1.54 ×109kg·m/s, when the ship is moving at a speed of 48.7 km/h?

Answers

Answer 1

The large ship's mass with a momentum of 1.54 * [tex]10^{9}[/tex] kg m/s is [tex]3.16 * 10^{7}[/tex] kg

Given Parameters:

Speed of ship = 48.7 km/hr

The momentum of the ship = 1.54 * [tex]10^{9}[/tex] kg m/s

Momentum is characterized as the intensity of a body's motion.

Momentum is measured by "mass velocity" because it depends on both the speed and the direction of the body's motion. Mass is a scalar quantity, but velocity is a vector, hence momentum is a vector quantity. Mass in motion is quantified by momentum, which is the measure of how much mass is moving. Typically, it is denoted by the letter p.

Momentum (p) = Mass (m) * Speed (v)

p = mv

We need to calculate the mass of the ship,

m = p/v

[tex]m =\frac{1.54 * 10^{9} }{48.7} =0.0316*10^{9} = 3.16 * 10^{7}[/tex]

Thus, the mass of the ship is [tex]3.16 * 10^{7}[/tex] kg

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Related Questions

what is the tension in a string of mass 0.83\;\mathrm{kg}0.83kg and length 12.29\;\mathrm{m}12.29m if when plucked, waves travel at 28.5\;\mathrm{m/s}28.5m/s?

Answers

54.85N is the tension in a string of mass [tex]$0.83 \mathrm{~kg}$[/tex] and length [tex]$12.29 \mathrm{~m}$[/tex] if when plucked, waves travel at [tex]$28.5 \mathrm{~m} / \mathrm{s}$[/tex].

What is  tension?

In physics, tension is defined as the pulling force that is transmitted axially by a string, rope, chain, or similar object, or by each end of a rod, truss member, or other comparable three-dimensional object. Tension can also be defined as the action-reaction pair of forces acting at each end of the aforementioned elements.

[tex]\begin{aligned}& m=0.83 \mathrm{~kg} \\& l=12.29 \mathrm{~m} \\& v=28.5 \mathrm{~m} / \mathrm{s} \\& \mu=\frac{m}{l} \\& v=\sqrt{\frac{T}{\mu}}\end{aligned}[/tex]

[tex]\Rightarrow T=v^2 \mu=[/tex] [tex](28.5)^2 \times \frac{0.83}{12.29}[/tex] = [tex]54.85 \mathrm{~N}[/tex]

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a friend of yours is loudly singing a single note at 500 hz while racing toward you at 27.2 m/s on a day when the speed of sound is 343 m/s. what frequency do you hear?

Answers

The frequency heard by you is 6305.15 Hz.

Given that,

f₁ = 500 Hz

v₁ = 27.2 m/s

f₂ = ?

v₂ = 343 m/s

If the frequency of a wave is directly proportional to the velocity.

We know that, f = kv

where, f is frequency

k is constant of proportionality

v is velocity

k = f/v

From the above formula, we can write, f₁ /v₁ = f₂ /v₂

We have to find out f₂, f₂ = f₁ *v₂ /v₁

Substituting the values, we have,

f₂ = 500* 343/ 27.2 = 6305.15 Hz

Thus, the frequency heard by you is 6305.15 Hz.

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Wave motion is characterized by two velocities: the velocity with which the wave moves in the medium (e. G. , air or a string) and the velocity of the medium (the air or the string itself). Consider a transverse wave traveling in a string. The mathematical form of the wave is.

Answers

a) The velocity of propagation of the wave  V=w/k

b) The y velocity v_y(x,t) of a point on the string as a function of x

v=-wAcos(kx-wt)

What is a wave?

A wave can be described as a disturbance that travels through a medium from one location to another location

y(x,t)=Asin(kx−ωt) defines the wave equation.

a)The velocity of propagation of the wave

We are asked to find wave speed (v)

Recall that v = fλ

From the wave equation above,

k = 2π/ λ where k is the wave number and λ is the wavelength, λ = 2π /k

ω = 2πf where f is the frequency and ω is the angular frequency.

f = ω/ 2π.

By substituting for λ and ω into the wave speed formulae, we have that

v =( ω/ 2π) × (2π /k)

v = ω/k

b)The y velocity v_y(x,t) of a point on the string as a function of x

y(x,t)=Asin(kx−ωt)

The first derivative of y with respect to x give the velocity (vy)

By using chain rule, we have that

v = dy/dt = A cos( kx −ωt) × (−ω)

v = - ωAcos( kx −ωt)

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Finally, Joe turns his attention to the mountain in the distance but finds that he cannot bring the mountain into focus. This is because he is nearsighted. But when Joe puts on his glasses, he can see the mountain clearly. To adjust for his nearsightedness, his glasses must contain _____ lenses.
Mountain --- Tree --- Squirrel --- Joe
converging
diverging

Answers

Finally, Joe turns his attention to the mountain in the distance but finds that he cannot bring the mountain into focus. This is because he is nearsighted. But when Joe puts on his glasses, he can see the mountain clearly. To adjust for his nearsightedness, his glasses must contain diverging lenses.

An image of an object is formed when its light rays are recorded on the retina. The lenses in the eye focus these rays onto the retina, making the phenomenon of vision possible.

Joe is nearsighted- or in other words, he has myopia. Myopia is a defect in normal vision where one cannot see nearby objects clearly and distinctly.

The image of the mountain (distant object) is formed at the retina properly for Joe as he can see distant objects distinctly. But for nearby objects, he cannot see clearly, because he suffers from nearsightedness.

The inability of the ciliary muscles to arbitrarily increase or decrease the focal length of the lens results in nearsightedness and farsightedness. Therefore, his eyes must be able to focus on the image of the distant mountains naturally due to the corrective diverging lenses.

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four resistors of 3.40 ohms, 6.54 ohms, 8.32 ohms, and 1.34 ohms are connected in parallel with a 12.0 v battery. find the total resistance, in ohms, of the circuit.

Answers

The circuit's overall resistance, measured in ohms, is 9.23A. when a 12.0 v battery is linked in parallel with four resistors that have resistance values of 3.40 ohms, 6.54 ohms, 8.32 ohms, and 1.34 ohms.

How can we determine the circuit's overall resistance?

You add up the individual resistances to determine the total overall resistance of several resistors connected in this manner. The formula used for this is as follows: Rtotal = R1 + R2 + R3, and so forth. Example: For these three resistors connected in series, determine the total resistance.

How much resistance is there in total?

The sum of each component resistance in a series circuit represents the circuit's overall resistance.

1 / Req = 1 /R1 + 1 / R2 + 1 / R3 + 1 /  R4

Req = 1.3ohms

Current = V / R

I = 9.23A

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the mass of the puck is difficult to measure because it sublimates and looses mass over time. can this explain the difference between the spring constants you found in part 1 and part 2? give your answer as a cer.

Answers

The spring stiffness is quantified by the spring constant, or k. For various springs and materials, it varies. The stiffer the spring is and the harder it is to stretch, the larger the spring constant.

F = -kx. The term "spring constant" refers to the proportional constant k. It gauges the stiffness of the spring. A spring exerts a force F = -kx in the direction of its equilibrium position when it is stretched or compressed to a length that differs by an amount x from its equilibrium length. A large value of k indicates that more force is needed to stretch it a given distance than would be necessary to stretch a less stiff spring the same distance.

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what is the moment of inertia of the object starting from rest if it has a final velocity of 5.4 m/s? express the moment of inertia as a multiple of mr2 , where m is the mass of the object and r is its radius.

Answers

The moment of inertia of  is  the object starting from rest if it has a final velocity of 5.4 m/s is 0.344 M R²

You can then use the energy conservation equation to calculate the moment of inertia of an object that starts at rest and has terminal velocity.

Then Ek1 + Ep1 = Ek2 + Ep2, where

Ek1 = kinetic energy of the object before rolling

Ep1 = potential energy of the object

Ek2 = kinetic energy when the object falls

Ep2 = potential energy of the object below.

Mgh = Iv² +Mv²

         2R²    2

19.6M = 14.58 I + 14.58 M

              R²

5.02 M R² =  14.58 I

0.344 M R² = I

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A block of mass m lying on a rough horizontal surface is given an initial velocity of v0. After traveling a distance d, it makes a head-on elastic collision with a block of mass 2m. How far does the second block move before coming to rest? (Assume the coefficient of friction, µk, is the same for both blocks.)

Answers

Hence the block will travel for 8 cm before coming to rest.

An elastic collision is a collision in which there may be no net loss in kinetic energy inside the device because of the collision. both momentum and kinetic strength are conserved portions in elastic collisions.

In physics, an elastic collision is an come across between two bodies wherein the full kinetic strength of the two bodies stays equal. In a really perfect, flawlessly elastic collision, there's no net conversion of kinetic electricity into other forms together with warmth, noise, or potential electricity.

Whilst a ball at a billiard desk hits another ball, it's miles an example of elastic collision. while you throw a ball at the floor and it bounces again in your hand, there may be no internet change in the kinetic energy, and subsequently, it's far an elastic collision.

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The expansion of the universe after its origin takes place by a phenomenon called.

Answers

Expansion of the universe after its origin takes place by a phenomenon called inflation.

What is inflation?In physical cosmology, a theory of exponential expansion of space in the early universe is called inflation.Prior to the Big Bang, the universe underwent a breathtaking cosmic expansion, doubling in size in a fraction of a second. This rapid inflation, fueled by energy that permeated empty space and left the universe desolate and cold.The Big Bang theory explains how the universe got from the hot dense state of the early universe to the cold dense state whereas cosmic inflation is an explanation of some properties of the cosmic microwave background radiation.Phenomena can be defined as “observable events that occur in a natural or designed system.” They are everywhere around us, but some are easier to notice than others. Common examples of natural phenomena include lightning, earthquakes, tsunamis, volcanic eruptions, tornadoes, and similar.The natural phenomena in the given crossword are cyclone, thunder, storm, lightning, typhoon and hurricane.

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Sample response: t represents time, which is the input of the function, so we know that 10 is the time in minutes. H(t) represents the altitude, which is the output of the function after time, t. So, we need to substitute 10 into 210 – 15t in place of t. Simplifying 210 – 15(10), we get that 60 is the altitude in feet. So, after 10 minutes, the hot air balloon is at 60 feet. What did you include in your response? check all that apply. T represents time, which is the input of the function. H(t) represents the altitude, which is the output of the function. After 10 minutes, the hot air balloon is at 60 feet

Answers

Answer: Uh i do not know

Explanation:

in the context of spearman's two-factor theory of intelligence, an intermediate class of factors common to a group of activities but not to all is called .

Answers

The term "Group factor" refers to an intermediate class of factors that are shared by a group of activities but not by all in the context of Spearman's two-factor theory of intelligence.

What is the two-factor hypothesis of intelligence proposed by Spearman?

According to Spearman's two-factor theory, intelligence is divided into two categories: general intelligence ("g") and specific ability ("s"). Spearman proposed that the "s" component was particular to a certain feature of intelligence to account for variations in performance on various tasks.

What exactly are general and specific factors?

The "g" factor is associated with general aptitude, whereas the "s" factor is associated with aptitude for a particular task. The "s" factor is in charge of identifying a person's specific abilities, while the "g" factor measures a person's capacity for performing tasks requiring general mental ability.

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A star can give off white light. Why is this evidence that a star is a blackbody radiator?.

Answers

Answer: This is evidence that a star is a blackbody radiator because white light is made up of many different wavelengths of light.

fingerprints left on a piece of glass such as a windowpane can show colored spectra like that from a diffraction grating. why?

Answers

The skin oils from the finger will deposit on smooth surfaces in the pattern of the closely spaced ridges when the finger contacts them.

What is diffraction ?

The Huygens-Fresnel principle, which views each point in a propagating wave front as a collection of unique spherical wavelets, describes the diffraction phenomenon in classical physics. When a wave from a coherent source (such a laser) comes into contact with a slit or aperture that is roughly the same size as its wavelength, the characteristic bending pattern is most noticeable.

There are numerous closely spaced ridges and swirls on the skin of a fingertip. The skin oils from the finger will deposit on smooth surfaces in the pattern of the closely spaced ridges when the finger contacts them. In order to create a crude diffraction grating and create a coloured spectrum of the light travelling through or reflecting from the glass surface, open intervals between the lines of deposited oil can be used as slits.

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in electronic circuits, when analyzing the effect of l or c on the wave shape of non sinusoidal voltages, what is useful?

Answers

It retains its wave shape when added to another sine wave of the same frequency and arbitrary phase and magnitude.

What has a sinusoidal wave form?Periodic waveforms known as sine waves can be represented graphically using the sine or cosine trigonometric functions. Electrical circuits that receive "AC" voltages and currents, or sinusoidal waveforms whose polarity alternates on each cycle.The strength of the magnetic field that forms around a wire or conductor while an electric current flows through it is inversely proportional to the current value. The movement of this single wire conductor through the magnetic flux induces a "EMF" (Electromotive Force) inside the conductor if it is moved or rotated within a stationary magnetic field.It retains its wave shape when added to another sine wave of the same frequency and arbitrary phase and magnitude. It is the only periodic waveform that has this property. This property leads to its importance in Fourier analysis and makes it acoustically unique.

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A .530 kg block slides on a frictionless horizontal surface with a speed of 1.10 m/s. The block encounters an unstretched spring and compresses it 20.0 cm before coming to rest. Part A) What is the force constant of this spring? k=________N/m
Part B) For what length of time is the block in contact with the spring before it comes to rest?
t=________sec
Part C) If the force constant of the spring is increased, does the time required to stop the block increase, decrease, or stay the same.
Choices:
A) Increases
B) Decreases
C) Stays the same

Answers

The force constant of this spring is 16.03N/m; the length of time block is in contact with the spring before it comes to rest is 1.14s; If the force constant of the spring is increased, the time required to stop the block will decrease.

What happens if a block slides on a frictionless horizontal surface?

When a block slides over a horizontal surface without friction, it has kinetic energy. Before coming to rest, it runs into an untensioned spring and compresses it.

The energy is purely kinetic when the mass first comes into contact with the spring. Energy is transformed into spring potential energy as the spring is squeezed. To find the spring force constant, equate the energies. One-fourth of a period is represented by the motion. A stiffer spring will result in a smaller stopping distance for the mass, which will result in a faster stopping time.

(a)Equations: Conservation of energy using a spring.

Ei=Ef

1/2mvo2 = 1/2kA2

 A= vo√m/k

 K is force constant

 k is 16.03N/m

(b) Time

     T = 2∏√m/k

     T = 1.14s

(c) The time to stop reduces as the force constant rises. A stronger spring and a greater stopping force result from a higher force constant, and a shorter stopping time follows. The compressed spring contains all of the energy left behind after the spring has stopped the block. The block will be accelerated back the way it came when the spring pushes back on it. The block will leave the spring moving in the opposite direction from where it first came into contact with it, but at the same speed. Equal to the stopping time is the accelerating time.

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Two identical cars, one on the moon and one on earth, are rounding banked curves at the same speed with the same radius and different angles. The acceleration due to gravity on the moon is 1/6 that of earth. How do the centripetal accelerations of each car compare?.

Answers

The acceleration due to gravity on the moon is 1/6 that of earth, then the centripetal forces are the same for each car.

What is centripetal force?

A force that keeps objects moving in a circular path is called centripetal force .

The centripetal force on an object is given by :

F= mv²/R

where,

F is centripetal force,

m is mass of the object,

and v is speed,

r is radius of the circular path.

Centripetal force primarily depends upon three factors, that are, mass of object, speed and radius of the circular path.

The speed of cars and the radii of the circular paths are given to be same. Hence, the centripetal force acting on both cars must also be same.

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You redo the primitive yo yo experiment (Figure 1), but instead of holding the free end of the string stationary, you move your hand vertically so that the tension in the string equals 2M /3. What is the vertical acceleration of the yo yo's cena of mass? Does it accelerate upward or downward? Express your answer to three significant figures and include the appropriate units. Enter positive value of the acceleration is directed upward and negative value if the acceleration is directed downward.

Answers

The direction of acceleration is downward, and its magnitude is 3.27 m/s².

Given:

Tension, T = 2M/3

The gravitational force is exerted downwards, and the tension force is exerted in the opposite direction of the gravitational force.

The total force is given by:

mg - T = ma

The torque is given as:

T × R = MR²/2 × α

Here, α is centripetal acceleration;

The centripetal acceleration is given by:

α = a/R

Substitute values:

MG - 2mG/3 = ma

a = g/3

The direction of acceleration is downward.

a = 9.8/3

a = 3.27 m/s²

Hence, the direction of acceleration is downward, and its magnitude is 3.27 m/s².

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quadrasteer steering systems are being discussed. technician a says at low speeds, the rear wheels turn in the same direction as the front wheels. technician b says at high speeds, the rear wheels turn in the direction opposite to the front wheels. who is correct?

Answers

Neither a or b is correct.

What is speed?

An object's velocity (commonly denoted by v) is the rate of change of position over time, or the rate of change of position per unit time. So it's a scalar quantity. The average velocity of an object over a time interval is the distance traveled by the object divided by the duration of the interval. The instantaneous velocity is the limit of the average velocity as the time interval approaches zero. Velocity is not the same as speed.

Velocity is the dimension of distance divided by time. The SI unit for speed is meters per second (m/s), but the most common everyday speed units are kilometers per hour (km/h) or miles per hour (mph) in the US and UK. ). Knots are widely used in air and sea travel.

According to special relativity, the fastest speed at which energy or information can travel is the speed of light in a vacuum c = 299792458 meters/second (approximately 10790000000 km/h or 671000000 mph). Matter can never fully reach the speed of light because it requires infinite energy. In relativity physics, the concept of velocity replaces the classical idea of ​​velocity.

Therefore, Neither a or b is correct

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When a piece of metal is heated to high temperatures, it begins to glow red, and then white, as its temperature increases. Does this phenomenon provide evidence for the wave model or the particle model of light? why?.

Answers

Answer:

The particle model, because the metal is only absorbing radiation. of specific frequencies.

Explanation:

When a piece of metal is heated to high temperatures, it begins to glow red, and then white, as its temperature increases.

which of the following is considered to be a boundary between two different air masses? group of answer choices cold front warm front both warm front and cold front none of these

Answers

A front denotes the separation of two air masses with dissimilar characteristics in terms of temperature, wind, and moisture.

Distinguish between warm and cold fronts.

Both warm and cold fronts are intricate weather phenomena, necessitating a thorough explanation in order to fully comprehend their similarities and distinctions. A cold front develops on the edge of a cold air mass flowing into a warmer area, whereas a warm front develops on the edge of a warm air mass moving into a colder area. A cold front is often linked to a low-pressure system, whereas a warm front is linked to a high-pressure system.

Hence, the answer is both warm and cold front, since a front denotes the separation of two air masses with dissimilar characteristics in terms of temperature, wind, and moisture.

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The recommended weight of a soccer ball is 430 grams. The actual weight is allowed to vary by up to 20 grams.

Answers

The absolute value equation is |x - 430| ≤ 20.

What is equation?

An equation is a formula that is express the equality of two equation.

b) Solution: 410 ≤ x ≤ 450

Explanation:

1) Call x the variable, actual weight of the soccer ball

2) Recomended weight: 430 g

3) Difference using absolute value is | x - 430|

4) The accepeted variation (difference) is up to 20 g means that the difference has to less than or equal to 20 g ⇒ | x - 430| ≤ 20

5) Solution:

i) start: |x - 430| ≤ 20

ii) as per the definition of absolute value: -20 ≤ x - 430 ≤ 20

iii) addition property of inequalities: add 430 to all the parts:

- 20 + 430 ≤ x - 430 + 430 ≤ 20 + 430

iv) do the operations: 410 ≤ x ≤ 450

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33. easy student solutions manual a 5.00-kg ball, moving to the right at a velocity of 2.00 m/s on a frictionless table, collides head-on with a stationary 7.50-kg ball. find the final velocities of the balls if the collision is (a)elastic and (b)completely inelastic

Answers

Easy student solutions manual a 5.00-kg ball, moving to the right at a velocity of 2.00 m/s on a frictionless table, collides head-on with a stationary 7.50-kg ball. find the final velocities of the balls if the collision is

(a)elastic and (b)completely inelastic

An act or instance of colliding : conflict. : an encounter among particles (which includes atoms or molecules) resulting in alternate or transformation of strength. collisional.

Velocity (vɪˈlɒsɪtɪ) / noun plural -ties. pace of movement, action, or operation; rapidity; swiftness. physics a measure of the fee of movement of a frame expressed because the rate of exchange of its function in a specific route with time.

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which of the following is likely to break a wave? a) the wind increases its speed near shorelines b) random molecular motion in wave forms c) the bottom interferes with its oscillatory motion d) the sediment load of water is greater near the shore e) the density of water increases closer to shore

Answers

The wave can be broken in c) the bottom interfering with its oscillatory motion.

In fluid mechanics, a breaking wave or breaker is a wave whose amplitude reaches a critical level where a large amount of wave energy is converted into turbulent kinetic energy. At this point, simple physical models describing wave dynamics, especially those that assume linear behavior, are often invalid.

The most commonly known type of breaking wave is a water wave that breaks on the shore. In general, wave breaking occurs when the amplitude reaches the point where the crest of the wave actually flips over. Another particular effect in fluid dynamics is also called "wave breaking", partly by an analogy to waves on water. In meteorology, atmospheric gravitational waves are said to break down when the wave creates a region of potential temperature drop with altitude, resulting in energy dissipation due to convective instability.

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a salesperson claims a 960 kg car has an average acceleration of 5 m/s2 from a standing start to 100 km/h. what average net force is required to do this?

Answers

The average net force will be 4.8× [tex]10^{3[/tex] N

What is  acceleration?

Acceleration describes the speed and direction changes in velocity over time. Acceleration refers to the change in speed or direction of an item or point traveling straight forward.

The average force is what?

The force applied by a body that's travelling at a definite velocity (rate of speed) for a definite period of time is the average force. Force is a vector quantity that has both magnitude and direction.

The vehicle weighs 960 kg, or m. The car's average speed is

a = 5m/s2 Newton's Second Law of Motion states that a particle's mass times its typical acceleration equals the average force that is applied 5 m/s2.

average net force (F) operating will be

F = ma

F = 960*5

F =  4.8× [tex]10^{3[/tex] N

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a 0.3175 cm sphere of glucose is placed in a water stream flowing at a rate of 0.15 m/s. the temperature of water is 25 °c. the diffusivity of glucose in water is 0.69 x 10 -5 cm2/s. estimate the mass transfer coefficient.

Answers

The mass transfer coefficient, based on the provided statement, is 6.16*10⁻¹² m/s.

What does physics mean when it refers to temperature?

Temperature is a unit used to represent hotness or coolness on any of a number of scales, includes Fahrenheit and Celsius. According to temperature, heat energy will naturally move from a hotter (body with a temperature higher) to a colder (body with a temperature lower) (one at a lower temperature).

Briefing:

Given,

Diameter of glucose sphere,

D = 0.3175cm

D= 0.003 m

Velocity, V = 0.15m/s

Mass diffusivity, [tex]D_{AB}[/tex] = 0.69*10⁻⁵cm²/s

For flow around sphere

[tex]\text { Sh }=\frac{K_C D}{D_{A B}}=2+0.554 Re^{1 / 2} Sc^{1 / 3}[/tex]

Sh = Sherwood number

D = diameter of sphere

[tex]k_{c}[/tex] = Mass transfer coefficient

[tex]D_{AB}[/tex] = Diffusivity

[tex]R_{e}[/tex] = DVρ/M

Diameter (D) = 0.003m

Velocity (V) = 0.15m/s

ρ = Density of water at 25°C = 996kg/m³

M = Viscosity of water at 25°C at 10⁻³ Pa

[tex]R_{e}[/tex] = 0.003*0.15*996/10⁻³

[tex]R_{e}[/tex] = 448.2

Sc = Schmidt no.

For water at 25°C

Sc = 1.6 (From thermodynamics table)

Kc * 0.003/6.9*10⁻⁸ = 2 + 0.554 ([tex]448^{1/2}[/tex])[tex](1.6^{1/3})[/tex]

4.34*10⁻¹² Kc = 26.76

Kc = 6.16*10⁻¹² m/s

This is the mass transfer coefficient.

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The complete question is-

Determine the mass transfer coefficient, kc, for the transfer from a glucose sphere, 0.3175cm in diameter, which is submerged in a 25°C aqueous stream flowing at a bulk velocity of 0.15m/s. The mass diffusivity of glucose in water at 25°C equals 0.69*10⁻⁵cm²/s.

a). Estimate the mass transfer coefficient, k₁

an object sits at rest with no unbalanced forces acting upon it. what do we expect this object to do?

Answers

Unless acted on by an imbalanced force, an object is at rest can tend to stay as rest, and a motion should tend to maintain its current speed and direction.

Describe a force.

A pull or pull that an object experiences as a result of interacting with another item is known as a force. Every time two items touch, a force is exerted on each of objects.

Which types of force are there?

Forces acting and act at a range forces are the two different types of forces. Your daily use of force is evident. Essentially, thrust and pull are forces. You exert force on an object if you push against it or pull against it.

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dentical rays of light in air are refracted upon entering three transparent materials: (a) water, where the speed of light is 0.75c ; (b) ethyl alcohol; speed 0.7c ; and (c) crown glass; speed 0.6c .

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The transition from less dense air to denser glass or water causes light to slow down.

What happens to a ray of light as it passes through air and enters water?A beam of light (a collection of perpendicular rays) will move straight through the air when it is shone at it. Until they come into contact with an object, light rays typically go in straight paths.A sheet of glass's surface will reflect some light when a light ray strikes it, so this happens. However, because glass is transparent, a large portion of the light will flow through the glass.Light beams are similarly impacted by water. While some light will reflect off the water's surface, the translucent water will let in the majority of the light.The direction of a light ray changes when it travels through glass from the atmosphere. As it travels through the glass' surface, the light ray seems to bend.Similar effects occur when a light beam travels from air into water: the light ray is twisted as it collides with the water's surface.Refraction describes the "bending of a ray of light" when it travels through one substance and then another.When a light beam exits glass or water and enters the atmosphere, it will also bend.

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unpolarized light with intensity 300 w m2 is incident on three polarizers, p1, p2, and p3 numbered in the order light reaches the polarizers. the transmission axis of p1 and p2 make an angle of 45◦ . the transmission axis of p2 and p3 make an angle of 30◦ . how much light is transmitted through p3?

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Through p3, a light of equal power (60 W) is transmitted.

According to Malus's law, I = I0 cos2, the polarization phenomena is described.

The angle between the direction of polarization of the light and the polarizer is, where I and Io are the transmitted and incident intensities, respectively.

Half of the unpolarized light that enters the first polarizer (I0 I1 = 12 300 I1 = 150 W) is transmitted.

I2 = I1 cos2 1 I2 = 150 cos2 45 I2 = 75 W is the transmission through the second polarizer (P2).

I3 = I2 cos2 2 I3 = 75 cos2 30 I3 = 56.25 W is the third polarizer's (P3) transmission.

The closest response, A, corresponds to 60 W and represents the light that the 56 W system transmits.

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compared with the buoyant force of the atmosphere on a 1 liter helium filled balloon the buoyant force of the atmosphere on a nearby 1 liter solid iron block is the same. how do you explain this

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The density of fluid which means air is the same for both cases, but the volume of a 1 kg helium balloon is more than the density of iron, so the buoyant force on helium is the same as the buoyant force on iron.

What is Buoyant Force?

The buoyant force is the upward push that a fluid applies to an object when it is submerged in it. The fluid's pressure on the object is what creates the buoyant force. The net upward force results from the fact that the pressure on the bottom of an item is always greater than the force on the top since pressure rises as depth increases.

What is Density?

Mass of a solid substance per unit volume.

d = M/V, where d is density, M is mass, and V is volume, is the formula for density. Grams per cubic centimetre are a typical unit of measurement for density.

Hence, it can be concluded from this that, the buoyant force on both is the same.

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does the field [that is caused by a straight wire] have an axial component? does it have a radial component?

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The field caused bt a straight wire have only axile component, B parallel Δl = μ₀I. The radial component of the field is perpenidular length.

A magnetic field is a vector subject that describes the magnetic effect on moving electric charges, electric currents, and magnetic materials. A transferring price in a magnetic area stories a pressure perpendicular to its very own pace and to the magnetic discipline.

A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric-powered currents, and magnetic substances. A transferring rate in a magnetic field story a pressure perpendicular to its own velocity and to the magnetic area.

The magnetic discipline is the place around a magnet wherein the impact of magnetism is felt. We use the magnetic discipline as a tool to explain how the magnetic force is shipped in the area around and inside something magnetic in nature.

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