A copper is 4 cm long at 10 Cº. The coefficient of linear expansion for copper is 1.7 x 10-5 (Cº)-1. Calculate the change in length (AL). when it is at 70 Cº.

The mini-refrigerator fire was most likely caused by what type of wiring?

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?