How many joules of kinetic energy did this ball have

Reference no: EM13299115

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

A. How many joules of kinetic energy did this ball have?

B. How fast would a 56.0 gram ball have to travel to have the same amount of kinetic energy?

Reference no: EM13299115

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