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Author Question: A baseball batter hits an incoming 40 m/s fastball. The ball leaves the bat at 60 m/s after a ... (Read 154 times)

NguyenJ

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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


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irishcancer18

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

D

Answer to Question 2

D


NguyenJ

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  • Posts: 516
Reply 2 on: Jul 28, 2018
Wow, this really help

raenoj

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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