A CD has a diameter of 12.0 cm, if the CD is rotating at constant freq of 4.0 cyles per second, then the period of the rotational motion is??
Also, a CD has a diameter of 12.0 cm. If the CD is rotating at a constant angular speed of 200 revolutions per minute, then the tangential velocity of a point on the circumference is???
2 different questions, if you can help that would be great, best answer will get 10 points!! thanks!!
2007-03-10
04:25:33
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4 answers
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asked by
Anonymous
in
Physics