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July 24, 2014

Homework Help: p

Posted by Sam on Thursday, July 15, 2010 at 11:44am.

A certain string can withstand a maximum tension of 41 N without breaking. A child ties a 0.35 kg stone to one end and, holding the other end, whirls the stone in a vertical circle of radius 0.91 m, slowly increasing the speed until the string breaks.
(a) Where is the stone on its path when the string breaks?
a)at a random point on the path
b)cannot be determined
c)at the lowest point on the path
d)at the highest point on the path


(b) What is the speed of the stone as the string breaks?
m/s

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