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Assume any parameters you may need. Thanks in advance.

  • $\begingroup$ you have to consider also the frictional force. What is SHM? $\endgroup$ – Anthonny Oct 25 '11 at 16:23
  • $\begingroup$ SHM=Simple Harmonic Motion $\endgroup$ – Jonathan Gleason Oct 25 '11 at 20:00
  • $\begingroup$ As mentioned in our FAQ, "vanilla" homework questions are not appropriate for this site. Nic has given you some nice hints so perhaps those will help you; otherwise, if you narrow this question down to the physical principle that is giving you trouble, it could be reopened. $\endgroup$ – David Z Oct 25 '11 at 20:43

As this looks a lot like a homework question I'll give some brief hints.

  1. Consider which way the ball must be spinning.
  2. Will the magnitude of the horizontal velocity $v$ change?
  3. Whats the relationship between rotational velocity and linear velocity for a point on the circumference?
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  • $\begingroup$ Very "tricky"! +1 $\endgroup$ – Georg Oct 25 '11 at 15:48

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