Question

The speed of the fastest-pitched baseball was 45.0 m/s , and the ball's mass was 145 g .

A) What was the magnitude of the momentum of this ball?

B) How many joules of kinetic energy did this ball have?

C) How fast would a 58.0 gram ball have to travel to have the same amount of kinetic energy?

D) How fast would a 58.0 gram ball have to travel to have the same amount of momentum?

Answer 1