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

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

Describe the forces both attractive and repulsive that occur as two atoms move closer together.