Author Question: A baseball batter hits an incoming 40 m/s fastball. The ball leaves the bat at 60 m/s after a ... (Read 123 times)

NguyenJ · **on:** Jul 28, 2018

A baseball batter hits an incoming 40 m/s fastball. The ball leaves the bat at 60 m/s after a ball-on-bat contact time of 0.030 s. What is the force exerted on the 0.15 kg baseball?
a. 450 N
c. 90 N
b. 250 N
d. 500 N

Question 2

A shot-putter moves his arm and the 7.0-kg shot through a distance of 1.0 m, giving the shot a velocity of 15 m/s from rest. Find the average force exerted on the shot during this time.
a. 197 N
c. 600 N
b. 394 N
d. 790 N