A 450 g baseball is pitched,reaching the batter with a speed of 37 m/s and is hit such that it returns on the same line at 48 m/s.If the ball was in contact with the bat for 0.22 seconds,what was the average net force experienced by the ball during the time of contact?
A) 170 N
B) 98 N
C) 77 N
D) 18 N

Question

Quizplus · Accepted Answer

The change in velocity is 48 m/s - (-37 m/s) = 85 m/s. The mass of the baseball is 0.45 kg. Using the formula for force, F = m * Δv / Δt, we get F = 0.45 kg * 85 m/s / 0.22 s = 170 N.

A 450 G Baseball Is Pitched,reaching the Batter with a Speed