Answer:
19.5 is answer Dee oo w e je e8 d c hehe udhdhd r
The height of the basketball player which is 6 ft 10.5 inches will be 209.55 centimeters.
What is Unit conversion?A unit conversion expresses the same property as a different unit of the measurement of a quantity. For instance, the time can be expressed in the units of minutes instead of hours, while the distance can be converted from miles to kilometers, or feet, or any other measure of length.
1 ft = 30.48 cm
6 ft = 182.88 cm
1 inch = 2.54 cm
10.5 inch = 26.67 cm
Therefore, the total height in unit of centimeters will be (182.88 + 26.67) will be 209.55 centimeters.
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Infer Which of the following is NOT true of gravitational force?
Answer:
I think it's a repulsive force
Imagine a negative test charge sitting at the coordinate origin (0,0). Two bunches of positive charges are located on the x-axis and the y-axis, respectively, so that the vectors of the respective electric forces, which the test charge experiences, point from the origin at points (1,0) and (0,1), respectively. The total force vector, which the test charge experiences, points from the origin at the point __________
Answer:
the total force vector, on test charge is points from origin to point C( 1, 1 )
Explanation:
Given the data in the question, as illustrated in the image below;
from the Image, OA = 1, OB = AC = 1
so using Pythagoras theorem
a² = b² + c²
a = √( b² + c² )
so
OC = √( OB² + AC² )
we substitute
OC = √( OA² + AC² )
OC = √( 1² + 1² )
OC = √( 1 + 1 )
OC = √2
Coordinate of C( 1, 1 )
Hence, the total force vector, on test charge is points from origin to point C( 1, 1 )
Most individuals over 65 years of age
What are 4 ways individuals can influence the government?
Two identical balls move at the same speed what momentum do the balls possess
At highest point above h from initial position .
And then ball B come to point A with same velocity v and after that elastic collision between A and B .
B get rest and A move with velocity v by momentum conservation .
The momentum of ball 1 is mv and momentum of the ball 2 is -mv. Therefore, option (C) is correct.
What is momentum?The momentum of an object can be explained as the function of the object's mass and object's velocity. Momentum (p) can be used to determine kinetic energy and is the multiplication of velocity (v) and mass (m).
The momentum is the vector quantity because the velocity is the vector while mass is the scalar. So the product of the vector and scalar quantity is a vector.
The momentum can be determined from the mathematical formula:
p = m×v
The momentum can be described as a conserved quantity but it can be zero if the object is stationary because the velocity of an object is zero.
The mass of both balls is 'm' but they are moving in different directions, therefore, the velocity of one ball will be 'v' while the ball will be - v. Therefore the momentum of one ball is mv and the other ball is - mv.
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The area of a piston of a force pump is 8 X 10⁴m². What force must be
applied to the piston to raise oil (d = 780 Kg/mº) to a height of 6.0 m? Assume
the upper end of the oil is open to the atmosphere.
Answer:
Force of [tex]37.44 * 10^{8}[/tex] Kgm/s^2 must be applied to the piston to raise oil to a height of 6.0 m
Explanation:
As we know,
Pressure is the force per unit area
Or [tex]P = \frac{F}{A}[/tex]
Force [tex]= P * A[/tex]
Pressure is the product of density, gravitational constant and height
[tex]P = 780 * 10 * 6[/tex]
Force
[tex]= P * A\\= 780 * 10*6*8*10^4\\= 37.44 * 10^{8}[/tex]Kgm/s^2
The force that must be applied to the piston to raise oil will be 37.44 ×10⁸ N. Force is defined as the ratio of presure and area. Its unit is Newton.
What is force?Force is defined as the push or pulls applied to the body. Sometimes it is used to change the shape, size, and direction of the body.
The given data in the problem is;
A is the area of a piston = 8 X 10⁴m².
F is the force=?
h is the height = 6.0 m
Force is defined as the ratio of presure and area. Its unit is Newton.
[tex]\rm P = \frac{F}{A} \\\\ \rm F = P \times A \\\\ \rm F = 780 \times 10^6 \times 8 \times 10^4 \\\\ \rm F = 37.44 \times 10^8[/tex]
Hence the force that must be applied to the piston to raise oil will be 37.44 ×10⁸ N.
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Find the magnitude of the sum
of these two vectors:
5.00 mA,
30.0°
B4
6.00 m
magnitude (m)
Answer:
Approximately [tex]3.01\; \rm m[/tex].
Explanation:
Decompose each vector into the sum of two vectors: a horizontal one (parallel to the arrow that points to the right) and a vertical one (parallel the arrow that points upwards.)
Vector [tex]\sf A[/tex] is horizontal and is at an angle of [tex]0^\circ[/tex] with the horizon.
Horizontal component of vector [tex]\sf A[/tex]: to the right, with a length of [tex]5.00\; \rm m \cdot \cos\left(0^\circ \right) = 5.00\; \rm m[/tex].Vertical component of vector [tex]\sf A[/tex]: [tex]5.00\; \rm m \cdot \sin\left(0^\circ \right) = 0\; \rm m[/tex].Vector [tex]\sf B[/tex] is at an angle of [tex]30^\circ[/tex] below the horizon.
Horizontal component of vector [tex]\sf B[/tex]: to the right, with a length of [tex]\displaystyle 6.00\; \rm m \cdot \cos\left(30^\circ \right) = (6.00\; \rm m) \times \frac{\sqrt{3}}{2}\approx 5.19615\; \rm m[/tex].Vertical component of vector [tex]\sf B[/tex]: downwards, with a length of[tex]\displaystyle 6.00\; \rm m \cdot \sin\left(30^\circ \right) = 6.00\; \rm m \times \frac{1}{2} = 3.00\; \rm m[/tex].Calculate the sum of vector [tex]\sf A[/tex] and vector [tex]\sf B[/tex].
The horizontal component of vector [tex]\sf A[/tex] and vector [tex]\sf B[/tex] are opposite to one another. Therefore, the length of the horizontal component of [tex]\sf (A + B)[/tex] would be the difference between the length of the horizontal components of vector [tex]\sf A\![/tex] and of vector [tex]\sf B\![/tex]:
[tex]\displaystyle (6.00\; \rm m) \times \frac{\sqrt{3}}{2} - 5.00\; \rm m \approx 0.196152\; \rm m[/tex].
The length of the vertical component of vector [tex]\sf A[/tex] is [tex]0\; \rm m[/tex]. Therefore, the length of the vertical component of [tex]\sf (A + B)[/tex] would be equal to the length of the vertical component of vector [tex]\sf B[/tex], [tex]\displaystyle 6.00\; \rm m \times \frac{1}{2} = 3.00\; \rm m[/tex].
Therefore, the length of the horizontal and vertical component of [tex]\sf (A + B)[/tex] are approximately [tex]0.196152\; \rm m[/tex] and [tex]3.00\; \rm m[/tex], respectively. The length of vector [tex]\sf (A + B)\![/tex] would be approximately:
[tex]\displaystyle \sqrt{(0.196152\; \rm m)^{2} + (3.00\; \rm m)^{2}} \approx 3.01\; \rm m[/tex].
The law of universal gravitation states that any two objects in the universe, without exception,
a
repel each other
b
attract each other
c
create friction
Answer:
attract each other
Explanation:
..........
Chlorine gas (Cl2) can be produced using this equilibrium reaction involving gaseous PCl5 and PCl3. Which change would drive this process toward the product side?
PCl5 + energy ⇄ PCl3 + Cl2
A.
Decreasing the temperature
B.
Increasing the pressure
C.
Decreasing the pressure
D.
Removing the PCl5 as it forms
Answer:
C. Decreasing the pressure
Explanation:
The magnetic field strength in an experiment is 5.0 x 10–4 Newtons per Amp meter (or 5.0 x 10–4 N A–1m–1), where the unit of force is the Newton (N = kg m s–2) and the unit of current is the Ampere (A = C s–1). A Coulomb, C, is a unit of charge. The electric field strength in another experiment is 1.8 x 104 N C–1. From these parameters, both the magnetic displacement and the electric displacement were each measured to be 6.0 cm. Calculate the velocity of the particles.
Answer:
The velocity of the particles is "0.36×10⁸ m/s".
Explanation:
The given values are:
Magnetic field strength,
B = 5.0×10⁻⁴ N/Amp
In another experiment,
F = 1.8×10⁴
By considering the Lorentz force, the velocity will be:
⇒ [tex]qE=qvB[/tex]
then,
⇒ [tex]v=\frac{F}{B}[/tex]
On substituting the given values, we get
⇒ [tex]=\frac{1.8\times 10^4}{5.0\times 10^{-4}}[/tex]
⇒ [tex]=0.36\times 10^8 \ m/s[/tex]
You are working as an electrical technician. One day, out in CR the field, you need an inductor but cannot find one. Look- ing in your wire supply cabinet, you find a cardboard tube with single-conductor wire wrapped uniformly around it to form a solenoid. You carefully count the turns of wire and find that there are 580 turns. The diameter of the tube is 8.00 cm, and the length of the wire-wrapped portion is 36.0 cm. You pull out your calculator to determine:
a. the inductance of the coil
b. the emf generated in it if the current in the wire increases at the rate of 4.00 A/s.
Explanation:
Given info: The Number of turns in the wire is 580 the diameter of
tube is [tex]8.00 \mathrm{~cm}[/tex] and the length of the tube up to which wire is wrapped is [tex]36.0 \mathrm{~cm}[/tex].
Formula to calculate the inductance of the coil is,
[tex]L=\frac{\mu_{0} N^{2} A}{l}[/tex]
Here,
[tex]L[/tex] is inductance of the coil.
[tex]\mu_{0}[/tex] is the permittivity.
[tex]N[/tex] is the number of turns.
[tex]l[/tex] is the length up to which wire is wrapped.
[tex]A[/tex] is the cross sectional area of the coil.
The expression for the area is,
[tex]A=\frac{\pi d^{2}}{4}[/tex]
Substitute [tex]\frac{\pi d^{2}}{4}[tex] for [tex]A[/tex] in equation (1).
[tex]L=\frac{\left(\mu_{0} N^{2}\right) \frac{d d^{2}}{4}}{l}[/tex]
Substitute 580 for [tex]N, 4 \pi \times 10^{-7}[tex] for [tex]\mu_{0}, 8.00 \mathrm{~cm}[tex] for [tex]d[tex] and [tex]36.0 \mathrm{~cm}[tex] for [tex]l .[/tex]
[tex]\begin{array}{c}
=\frac{4 \pi \times 10^{-7} \times 580 \times 580 \times \frac{x(8.00 \mathrm{~cm} \times 8.00 \mathrm{~cm})}{4}}{36 \mathrm{~cm}} \\
=5.90 \mathrm{mH}
\end{array} [/tex]
Conclusion:
Therefore, the inductance of the given single conductor wire is
[tex]5.90 \mathrm{mH} .[/tex]
Given info: The rate of increasing current [tex]4.00 \mathrm{~A} / \mathrm{s}[/tex] and the inductance of the coil [tex]5.90 \mathrm{mH}[/tex].
The generated emf is,
[tex]
\varepsilon=L \frac{d i}{d t}
[/tex]
Here,
[tex]\varepsilon[/tex] is the generated emf.
[tex]L[tex] is the inductance of the coil.
[tex]\frac{d i}{d t}[tex] is the rate of change of current.
Substitute [tex]5.90 \mathrm{mH}[tex] for [tex]L[tex] and [tex]4.00 \mathrm{~A} / \mathrm{s}[tex] for [tex]\frac{d i}{d t}[/tex]
[tex]\begin{array}{c}
\varepsilon=5.90 \mathrm{mH} \times 4.00 \mathrm{~A} / \mathrm{s} \\
= & 23.6 \mathrm{mV}
\end{array}[/tex]
Conclusion:
Therefore, the generated emf is [tex]23.6 \mathrm{mV}[/tex].
Which pair of sentences is describing the same velocity?
A jogger ran 14.8 miles in 98 minutes what is the joggers speed in miles/minutes
Answer:
6.621 minutes per mile
Explanation:
the .621 is repeating
Timed plz hurry
Research indicates that individuals experiencing depression often experience anxiety disorders.
Please select the best answer from the choices provided
T/f?
Answer:
True
Explanation:
Research indicating that individuals experiencing depression often experience anxiety disorders is a true statement.
What is Depression?
This health disorder is characterized by loss of interest in activities as a result of depressed mood.
Individuals who have depression often experience anxiety disorders such as panic attacks etc.
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Objects A and B both have mass 2 kg. Object A has temperature 20°C and Object B has temperature 40°C. The specific heat of Object A is larger than that of Object B. The two objects are isolated from the environment and are brought into thermal contact with each other and allowed to come to thermal equilibrium. Is the final temperature of both objects greater than, less than or equal to 30°C? Briefly explain your reasoning.
Answer:
Equal to 30°C.
Explanation:
The final temperature of both objects are equal to 30°C because of the conduction heat from one object to another. Both objects have same mass of 2 kg and both were isolated from the external environment so conduction of heat occurs from the more hotter body to the less hotter body until the temperature of both objects are equal to each other.
The final temperature of both objects is less than 30° C
What is the specific heat of an Object?
The specific heat of an object is the minimum required quantity of heat needed to raise the temperature of 1 gram of the object(substance) by 1° C.
From the parameters given:
The mass of both Object A and B = 2kgThe temperature of Object A = 20° CThe temperature of Object B = 40° CUsing the Calorimetry principle, we need to understand that the heat lost by an object at a high temperature is proportionally equal to that heat gained by the object at a low temperature.
i.e.
[tex]\mathbf{Q_{lost}= Q_{gain}}[/tex]
[tex]\mathbf{ms_B \Big[40^0 \ C - \theta_o\Big]= ms_A \Big [ \theta_o - 20^0 \ C \Big]}[/tex]
Given that:
The specific heat of object A is larger than that of object B i.e. [tex]\mathbf{S_A> S_B}[/tex]Then, let us consider a scenario where [tex]\mathbf{S_A = 1.5S_B}[/tex]
Thus;
[tex]\mathbf{S_B \Big[40^0 \ C - \theta_o\Big]= 1.5S_B \Big [ \theta_o - 20^0 \ C \Big]}[/tex]
[tex]\mathbf{40^0 \ C - \theta_o= 1.5 \theta_o - 20^0 \ C}[/tex]
[tex]\mathbf{ 2.5\theta_o= 70^0 \ C}[/tex]
[tex]\mathbf{ \theta_o= \dfrac{70^0 \ C}{2.5}}[/tex]
[tex]\mathbf{ \theta_o=28 ^0 C}[/tex]
Therefore, we can conclude that since the specific heat of object A is larger than that of object B i.e. [tex]\mathbf{S_A> S_B}[/tex], then the final temperature [tex]\mathbf{ \theta_o<30 ^0 C}[/tex]
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REAL ANSWER = BRAINLIST LOOK AT PICS ATTACHED
Answer:
there are no pictures attached.
Random question, if Tanjoro, Zenitsu, and other Demon Slayers can conjure elements with their swords, then can we do the same?
A) HELL YA, WATER SURFACE SLASHHHHHHHHHHHHHHHHH
B) Their freakin' anime characters... oF cOuRsE wE cAn (⌐■_■)
C) These physics don't match up...
D) Their freakin' anime characters... of course not..
Answer:
HELL YA, WATER SURFACE SLASHHHHHHHHHHHHHHHHH
Explanation:
-takes some random sword and tries to do water breathing- Nope, doesn't work q-q
Answer:
Explanation: BOTH A AND B
HELL YA, WATER SURFACE SLASHHHHHHHHHHHHHHHHH
Their freakin' anime characters... oF cOuRsE wE cAn (⌐■_■)
SOMEONE HELP Jeffery used a stream table as a model to show how water erodes soil. As he sprayed water on the stream table, some of the soil was carried to the end of the table.
Jeffery used his stream table to model an interaction between which two spheres?
A. geosphere and biosphere
B. biosphere and atmosphere
C. hydrosphere and atmosphere
D. geosphere and hydrosphere
Answer:
Hydrosphere and atmosphere
Explanation:
Lithium (chemical symbol Li) is located in Group 1, Period 2. Which is lithium most likely to be? O A. A soft, shiny, highly reactive metal OB. A soft, shiny, highly reactive nonmetal O C. A gaseous, highly reactive nonmetal O D. A metalloid with properties of both metals and nonmetals SUBMIT
Answer:
A. A soft, shiny, highly reactive metal
Explanation:
Lithium is located in Group 1, Period 2. lithium is most likely to be soft, shiny, highly reactive nonmetal. Hence option A is correct.
What is Atom ?Atom is smallest entity of a body. Body is made up of atoms. it is basic building block of a body. An atom consist of electrons, protons and neutrons as sub atomic particle. whole mass of the atom is concentrated at the center of the atom which we call it as nucleus, nucleus consist of proton and neutron. Electron revolve around the nucleus at determined(fixed) orbit. Total number of protons in the atom decides the atomic number and the elements in the periodic table.
The electrons which are completely filled orbitals are called as core shell electrons and which are not filled completely are called as valence electron. valence electrons are responsible for physical and chemical properties of the element. Elements which are on same column in periodic table have same number of valence electrons .
Hence option A is correct.
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A truck covers 40.0 m in 7.40 s while uniformly slowing down to a final velocity of 2.85 m/s.
(a) Find the truck's original speed.
(b) Find its acceleration.
Answer:
Summary
Motion in one dimension
Reading Quiz
Class Quiz
Kinematic equations
Picture (508x368, 5.6Kb)
Example #1
Example #2
Graphs of motion applet
constant speed
constant acceleration
vectors & graphs applet
graphical analysis applet
Example #3
Example #4
Self-quiz applet
Interactive Example 2-9
A parallel beam of light falls on two small slits 5x10-5 m apart.
A) If the distance between the central and 1st fringe is 0.06 m and the light is being
projected onto a screen 5 m away, what is the wavelength of the light?
B) Roughly what color is it?
Answer:
λ = 6 10⁻⁷ m, color orange
Explanation:
This problem is about the interference phenomenon, constructive interference occurs when the path difference is equal to an integer number of wavelengths
d sim θ = m λ
Let's use trigonometry, remembering that the angles for these experiments are very small.
Sin θ = y / L
tan θ = [tex]\frac{sin \theta}{cos \theta}[/tex] = sin θ
sin θ = y / L
we substitute
[tex]d \ \frac{y}{L} = m \lambda[/tex]
A) Donut length is requested
λ = [tex]\frac{d \ y}{m \ L}[/tex]
let's calculate
λ = 5 10⁻⁵ 0.06 /( 1 5)
λ = 6 10⁻⁷ m
B) let's express the wavelength in nm
λ = 6 10⁻⁷ m = 600 nm
this corresponds to the color orange
Whenever a body is in motion there is always a ____ to oppose the motion
A. Friction
B. Intertia
C. Gravity
D. acceleration
Whenever a body is in motion there is always a friction to oppose the motion.
What is friction ?"Friction is a force that resists the motion of one object against another."
Friction is a force that opposes relative motion between surfaces in contact. One of the simpler characteristics of friction is that it is parallel to the contact surface between surfaces and always in a direction that opposes motion or attempted motion of the systems relative to each other.
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As a pendulum swings from the bottom position to the top position
kinetic energy is changed into potential energy
mechanical energy is changed into radiation
radiation is changed into friction
potential energy is changed into kinetic energy
[tex]\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}[/tex]
Actually Welcome to the Concept of the Power and Energy.
As a pendulum swings from the bottom position to the top position, it gains a height which means it gains the Potential energy.
hence we can say that, kinetic energy is changed into potential energy.
So, the Option A.) is correct.
Answer:
I think it's A)
Explanation:
it could be wrong i don't know hope it's not good luck!
A skydiver has jumped out of an aircraft but has not yet opened her
parachute.
Which of these statements best describes what is happening?
1. She is pushed towards the Earth by the force of gravity.
2.She is pulled towards the Earth by the force of gravity.
3.She is pulled towards the Earth by air resistance.
4. She is pushed towards the Earth by air resistance.
Answer:
2
Explanation:
She's attracted with a great force back to earth's surface
please help me with this i dont know it
Answer:
no it would not. that is an open circuit and it would need to be closed at the switch for current to flow.
A 2500 kg truck traveling at 80.0 km/h comes to stop in a time of 4.25 seconds. What is the force exerted on the truck?
Answer:
First there is a need to convert 80.0 km/h to m/s. It is equivalent to (200 / 9) m/s. Because the body stops after 4.25 seconds, its acceleration is -(200/9/4.25) m/s^2. The needed force to stop the 2500 kg truck is equal to the product of its mass and its acceleration.
Solving for the net force to stop the 2500 kg truck
Force = mass * acceleration
Force = 2500 kg * -(200/9/4.25) m/s^2
Force = −13072 N or about −13.07 kN
The force exerted on the truck is −13072 N or about −13.07 kN
An ant is crawling on the sidewalk. At one moment, it is moving south a distance of 5.0 mm. It then turns southwest and crawls 4.0 mm. What is the magnitude of the ant’s displacement?
A) 8.3mm
B) 8.3cm
C) 8.3m
D) 8.3km
The correct answer is (A) 8.3mm.
The total displacement will be the vector sum of the two displacements given in the question.
let the displacement to the south represent vector A = 5mm in magnitude directed toward south.
let the displacement to the south-west represent vector B = 4mm in magnitude directed toward south-west.
The angle between vector A and vector B is 45°, the angle between south and south-west.
SO the resultant
R = vectro A + vector B
[tex]R=\sqrt{A^{2}+B^{2}+2ABcos(45) } \\\\R=\sqrt{25+16+40*\frac{1}{\sqrt{2} } } \\\\R=8.3mm[/tex]
The ant's displacement is 8.3 mm in magnitude.
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Aphids are a type of insects that sucks the sap out of certain types of plants, including potatoes. Not only do they physically damage and weaken the potato plants, but they can also infect them with diseases.
Which of the following examples shows a relationship that is most like that of the aphid and potato plants?
Answer Choices:
A. Crop plants must compete with weeds for available resources like nutrients, water, and space.
B. Anemones protect clownfish from predators while benefiting from nutrients in the waste of the fish.
C. The mistletoe plant attaches to trees and extracts nutrients for itself, which stunts tree growth.
D. Remora fish attach to sharks, eat scraps off the shark's prey, and remove parasites from the shark's skin.
What unit of measure is used to measure temperature?
a. Joules
b. Fahrenheit
c. Meters
d. Liters
Answer:
B. Fahrenheit measures temperature!
Examine the diagram of a cell.
Which organelle is marked with an X?
cell membrane
mitochondrion
nucleus
ribosome
Answer:
It is the Nucleus
Answer:
Nuclease
Explanation: