06 baseball
Zach Nereim
Started: February 21, 2007 9:04 PM
Questions: 3
  	
1.
(Points: 1)  
  	A baseball has a mass m = 0.145 kg. The pitched ball has a speed vo = 12 m/s and the velocity of the batted ball is vf = 15 m/s in the opposite direction. Find the magnitude of the change in momentum (in kg m/s) of the ball.

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2.
(Points: 1)  
  	Find the magnitude of the impulse (in Ns) applied to it by the bat.

1215

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3.
(Points: 1)  
  	If the ball remains in contact with the bat for 1.5 ms, what is the magnitude of the average force (in N) applied by the bat?

1215

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