The illustration shows total internal reflection taking place in a piece of glass. the index of refraction of this glass: . . . .60◦ glass air . . a. is at least 2.0 b. is at most 2.0 c. is at least 1.15 d. is at most 1.15 e. cannot be calculated from the given data

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.