Cue ball rolling motion

  • Thread starter bluejay1
  • Start date
  • #1
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Homework Statement


A cue ball is hit 4.5 cm above the horizontal surface uk = 0.35 it is on.
The ball is 6 cm in diameter and has a mass of 250 g. It is hit
by a cue stick with an average force of
6000 N during a contact time of 20 usec.

(a) What is the ball’s speed after it is hit?



Homework Equations



F=Ma
x=x0+v0xt+1/2at^2

The Attempt at a Solution


I cant figure out the effect being hit above the equator has and how to incorporate it?
Thanks
 

Answers and Replies

  • #2
turin
Homework Helper
2,323
3
It sounds like they want you to take into account the torque on the cue ball due to the fact that it was hit off center. I guess you assume that the cue does not slip and that it hits parallel to the horizontal surface, but it doesn't actually say that, so I'm just guessing.
 

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