The Ratio of the Kinetic Energy of Object a to the Kinetic

Multiple Choice

The ratio of the kinetic energy of object A to the kinetic energy of the object B is 2: 1. The mass of object A is 2.0 kg and the mass of object B is 4.0 kg. If object A has a speed of 4.0 m/s, what is the speed of object B?

A) 8.0 m/s
B) 6.0 m/s
C) 4.0 m/s
D) 1.4 m/s
E) 2.0 m/s