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Author Question: A baseball batter hits an incoming 45.0-m/s fastball. The ball leaves the bat at 56.0 m/s after a ... (Read 92 times)

haleyc112

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  • Posts: 600
on: Jul 28, 2018
A baseball batter hits an incoming 45.0-m/s fastball. The ball leaves the bat at 56.0 m/s after a ball-on-bat contact time of 0.040 s. What is the force exerted on the 0.25-kg baseball?
 a. 631 N
  b. 68.8 N
  c. 350 N
  d. 16.2 N
  e. 281 N

Question 2

A shot-putter moves his arm and the 6.00-kg shot through a distance of 1.25 m, giving the shot a velocity of 8.20 m/s from rest. Find the average force exerted on the shot during this time.
 a. 323 N
  b. 161 N
  c. 118 N
  d. 12.7 N
  e. 252 N


beccamahon

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  • Posts: 338
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

b


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