Bouncy Balls Flashcards

1
Q

What is the basic rule of conservation of energy?

A

Energy can’t be created or destroyed, it can only be transferred between objects.

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2
Q

What does the rule of conservation of energy mean, in practice?

A

An object can’t get hotter, move faster, or gain height without the transfer of energy from another source.

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3
Q

What is the total energy of colliding objects in an energy-conserving collision?

A

The total energy is the same before and after.

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4
Q

In an energy-conserving collision, what happens to the speed of the smaller object if one of the objects is so large that it remains stationary?

A

The smaller object has exactly the same speed before and after the collision.

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