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Assume any parameters you may need. Thanks in advance.

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closed as off topic by David Z Oct 25 '11 at 20:42

Questions on Physics Stack Exchange are expected to relate to physics within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

you have to consider also the frictional force. What is SHM? – Anthonny Oct 25 '11 at 16:23
SHM=Simple Harmonic Motion – Jonathan Gleason Oct 25 '11 at 20:00
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. – 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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Very "tricky"! +1 – Georg Oct 25 '11 at 15:48

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