Which is the kinetic energy of a 1.0-kg billiard ball that moves at 5.0m/s?

a: 5.0 j
b: 6.5 j
c: 10.0 j
d: 12.5 j

Avalue that describes how heavy an object is and is related to the force of gravity is

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 compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2