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April 18, 2014

Homework Help: Physics

Posted by Stephanie on Thursday, June 21, 2012 at 4:01pm.

A 3.1 kg ball is tied to a string and swung in a horizontal circle at a speed of 7.2 m/s. the radius of the circle is 2.2 m.

What angle does the string make with the horizontal?

What is the tension in the string?

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