Homework Help: Physics

Posted by Emily on Wednesday, October 12, 2011 at 9:40am.

A 0.30 kg stone attached to a 0.8 m long string is rotated in a horizontal plane. The string makes an angle of 15° with the horizontal. Determine the speed of the stone.

Physics - bobpursley, Wednesday, October 12, 2011 at 10:00am
tan 15=mg/mv^2/r= gr/v^2
so find v.
Physics - ad, Friday, October 12, 2012 at 10:26am
5.09

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