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

a.
5.0 j

b.
6.5 j

c.
10.0 j

d.
12.5 j

A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s