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July 31, 2014

Homework Help: physics

Posted by mike richards on Thursday, April 18, 2013 at 9:47pm.

A ball of mass 3.0 kg is tied to the end of a 50-cm length of string. The ball and string are swung in a circle in a vertical plane at constant speed v, which is the minimum speed necessary to keep the string taut at all times. The center of the circle is a distance h= 190 cm above the floor. What is the speed of the ball

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