Rubber is a type of .
radiator
distributor
insulator
conductor

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

Does heating a metal wire increase or decrease its electrical resistance? why?