Question

Which is the best example of the law of conservation of energy?

A basketball stops bouncing because its energy disappears.
A rolling skateboard slows down because some of its kinetic energy changes to heat.
A falling book hits the ground and all of its energy is destroyed.
A toy car gains speed as it moves down a ramp because the ramp creates energy.

Answer 1

b

Step-by-step explanation:

Answer 2

The answer is B. A rolling skateboard slows down because some of its kinetic energy changes to heat.

Step-by-step explanation:

The law of conservation says energy cant be created or destroyed .Which basically eliminates all of them except b. It can only be transferred