Physics

Problem

1.5\,\text{kg}

ball travelling at

8\,\text{m/s}

is struck so that it moves in the opposite direction at

6\,\text{m/s}

. The contact between the bat and the ball lasts

0.05\,\text{s}

. What is the magnitude of the average force exerted on the ball? a)

840\,\text{N}

420\,\text{N}

180\,\text{N}

315\,\text{N}