What causes a spinning ball to bounce forward?

  • #1

Main Question or Discussion Point

The ball is given no initial horizontal velocity. It is however given an initial angular velocity of 76 rad/s and allowed to drop vertically from a height of 0.835m. Right after the ball bounces its vertical velocity is 3.1m/s upwards and its forward horizontal velocity is 1.838m/s and the ball reduced spin. My question is what gives the ball its horizontal velocity? Furthermore would it be possible to relate the loss in angular momentum (due to reduced speed) to the horizontal velocity gained?
 

Answers and Replies

  • #2
A.T.
Science Advisor
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My question is what gives the ball its horizontal velocity?
Friction

Furthermore would it be possible to relate the loss in angular momentum (due to reduced speed) to the horizontal velocity gained?
Yes, via the radius.
 
  • #3
BvU
Science Advisor
Homework Helper
2019 Award
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Hello Ron, :welcome:

Please post homework in the homework forum and fill in the template. You post looks very weird, starting with "The ball" ... what ball ?

But I give you compimenets for answering your own question ! Or at least searching in the right direction: conservation of angular momentum.
 

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