In a game of pool why will the balls eventually stop after a collision

Answers

Answer 1

Answer: Everything we see happening on Earth has friction along with it.
For a pool ball, it's the work the ball does bending all the little cloth
fibers out of the way as it rolls along the table, and also the work it
does pushing air out of the way. These things rob a little bit of each
ball's kinetic energy, so that it eventually stops rolling.

Note: Gravity is not the answer.

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If two automobiles have the same velocity, do they have the same acceleration?

Answers

Not at all.

Examples:

-- They could be on the same road, driving in the same direction.
Still, one may be slowing down while the other one is speeding up.
Then, their accelerations have opposite signs, and may have different
magnitudes, but there may very well be an instant when their velocities
are equal.

-- They may both have the same steady speed, but one is on a straight
road while the other one is on a circular track. At the instant when both
are facing in the same direction, their velocities are equal, although the
first one has no acceleration at all and the second one has a constant
centripetal acceleration.

The specific heat of ice is 0.5 calories/gram.60 grams of ice will require __calories to raise the temperature 1°C
O 0.5
30
60
120

Answers

Answer:

the answer of the problem is going to be 120 but I'm not positive

Fifteen joules of heat are added to a cylinder with a piston. The system uses 7 joules of energy to raise the piston upward. By how much did the internal energy of the system increase?

Answers

Answer:

8 J

Explanation:

Heat = work + change in internal energy

Q = W + ΔU

15 J = 7 J + ΔU

ΔU = 8 J

When car tires are on hot pavement for too long, the pressure inside will ___________ and the volume within the tire will _____________. A) increase; decrease due to deflation B) decrease; remain unchanged C) increase; increase and possibly result in a blowout D) increase; remain unchanged as long as the temperature is constantly rising

Answers

When the car is driven at high speed for a long time on rough pavement,
the tires and the air inside them heat up.

That causes the air pressure inside the tires to increase, and the increased
pressure tries to make the tires bigger (they ARE made of rubber, after all).

Normally, the tires do expand a little. But if this goes on for too long, or
if there's a weak spot on the tire, a blowout is possible.

The anwser is c make sure you read the anwser before me.

A transfer of heat within a liquid or gas that involves warm particles moving in currents isa convection.
b connection.
c correction.
d conduction.

Answers

So the question is what is a transfer of heat within a liquid or gas that involves warm particles moving in currents. So there are three mechanisms of moving heat. Those are convection, conduction and radiation. Radiation is transfering energy via electromagnetic waves. Conduction is transfering heat trough some thermal conductor. Convection is transferring heat within a liquid or gas that involves warm particless moving in currents.

THE ANSWER IS

A; convection.

Explain how geographic features can cause local winds?

Answers

If there is a dip in the land the wind goes into there then the wind is trapped in the bowl shaped transformed so the wind is stronger inside the bowl shaped area than the area outside of the creator.

Answer:

All wind is caused by the uneven heating of Earth's surface, which sets convection currents in motion. Convection currents on a large scale cause global winds; convection currents on a small scale cause local winds.

Explanation:

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