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.
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.
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.
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.
