What energy conversion occurs when a battery powered car rolls across the floor?
Stored chemical energy is converted to mechanical energy.

Stored electrical energy is converted to mechanical energy.

Stored mechanical energy is converted to mechanical energy.

Stored nuclear energy is converted to electrical energy.

Question

What energy conversion occurs when a battery powered car rolls across the floor?
Stored chemical energy is converted to mechanical energy.

 Stored electrical energy is converted to mechanical energy.

 Stored mechanical energy is converted to mechanical energy.

 Stored nuclear energy is converted to electrical energy.

btaylor · Answer

A battery is electrical energy, and a car rolling is mechanical. So it is:
 Stored electrical energy is converted to mechanical energy.