What type of energy results when ocean energy is used to generate electricity?
a. kinetic energy
b. mechanical energy
c. nuclear energy
d. thermal energy

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.

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match

Substances that assume the shape of their container, but do not have a definite size are called