Question

what happens to the kinetic energy of a falling book when the book hits the floor? it
multiple choice
is converted to heat and sound.
disappears.
becomes potential energy.
none of the answers are correct.

Explanation:

According to the law of conservation of energy, energy cannot be created or destroyed, only transformed. When the book hits the floor, its kinetic energy is dissipated as heat due to friction and as sound energy from the impact. It doesn't disappear or convert to potential energy in this context.

Answer:

A. is converted to heat and sound