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3 years ago

How is the kintic energy of nolecules changing when the molecules move faster?

Physics

2 answers:

Nonamiya [84]3 years ago

5 0

Answer:

an increase in temperature will increase the average kinetic energy of the molecules. As the particles move faster, they will likely hit the edge of the container more often. ... Increasing the kinetic energy of the particles will increase the pressure of the gas.

Explanation:

sladkih [1.3K]3 years ago

5 0

Answer:

According to Kinetic Molecular Theory, an increase in temperature will increase the average kinetic energy of the molecules. As the particles move faster, they will likely hit the edge of the container more often.

Explanation:

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Why can't you stand with your heels and back to a wall and then bend over to touch your toes and return to your stand-up positio

snow_tiger [21]

Answer:

Due to the rotating effect created due to opposite acting offset forces of the body weight and the normal reaction from the heels.

Explanation:

We cannot stand on heels with a wall at the back support and then bend over to touch the toes and regain the position back by standing up because we have the center of mass of our body somewhere at the abdominal portion of our body.
So, while standing on our heels we are giving our body only one point to support and balance itself.
On bending the center of mass of our body shifts forward and it is now not vertically in line to the direction of the support reaction from the heels because of the wall at the back we cannot bend our knees and move our weight over our heels for gaining the balance. Due to a difference between the these two opposite forces we have a turning effect called moment on the center of mass of our body. This tries to rotate our body in the forward direction about the center of mass of our body.

7 0

4 years ago

Read 2 more answers

Consider a point on a bicycle wheel as the wheel makes exactly four complete revolutions about a fixed axis. Compare the linear

dezoksy [38]

Answer:

Explanation:

Wheel completes four revolution.

The linear displacement is zero.

The angular displacement is 4 x 2π = 8π radian.

So, option (c) is correct.

4 0

3 years ago

An ideal spring hangs from the ceiling. A 1.95 kg mass is hung from the spring, stretching the spring a distance d=0.0865 m from

uranmaximum [27]

Answer:

kinetic energy = 0.1168 J

Explanation:

From Hooke's law, we know that ;

F = kx

k = F/x

We are given ;

Mass; m = 1.95 kg

Spring stretch; d = x = 0.0865

So, Force = mg = 1.95 × 9.81

k = 1.95 × 9.81/0.0865 = 221.15 N/m

Now, initial energy is;

E1 = mgL + ½k(x - L)²

Also, final energy; E2 = ½kx² + ½mv²

From conservation of energy, E1 = E2

Thus;

mgL + ½k(x - L)² = ½kx² + ½mv²

Making the kinetic energy ½mv² the subject, we have;

½mv² = mgL + ½k(x - L)² - ½kx²

We are given L=0.0325 m

Plugging other relevant values, we have ;

½mv² = (1.95 × 9.81 × 0.0325) + (½ × 221.15(0.0865 - 0.0325)² - ½(221.15 × 0.0865²)

½mv² = 0.62170875 + 0.3224367 - 0.82734979375

½mv² = 0.1168 J

7 0

3 years ago

Which geologic feature is most likely to form at a mid-ocean ridge: Peninsula, volcano, delta, or plateau?

Helga [31]

It is a volcano that is the answer.

7 0

3 years ago

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A student does an experiment with a mirror. She measures the angle between the mirror and an incident ray and finds that it is 3

inessss [21]

If she measures the angle between the mirror and an incident ray and finds that it is 30°, then the angle of the incidence would be 60° and the angle of the reflection would be 60° as well because of the laws of the reflection.

<h3>What is the law of reflection?</h3>

The law of reflection states that when a ray of light reflects back from a surface the angle of incidence of light on a surface is equal to the angle of reflection.

As given in the problem statement A student does an experiment with a mirror. She measures the angle between the mirror and an incident ray and finds that it is 30°.

the angle of incidence = 90° - 30°

=60°

As per the laws of the reflection

the angle of the incidence = angle of reflection

the angle of the reflection = 60°

Thus, the angle of the incidence would be 60° and the angle of the reflection would be 60° as well.

To learn more about the law of reflection here;

brainly.com/question/18772331

#SPJ1

6 0

2 years ago