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November 28, 2014

Homework Help: Physics

Posted by Emily Grossman on Monday, February 21, 2011 at 9:58pm.

How do you solve this problem?
A ball on the end of a string is revolved at a uniform rate in a vertical circle radius of 72.0 cm, as shown in figure. If its speed is 4.00m/s and its mass is .300 kg. Calculate the tension in the string when the ball is a) at the top of the path, and b). when it's at the bottom?

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