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May 27, 2015

Homework Help: physics

Posted by kaitlyn on Monday, December 6, 2010 at 9:23pm.

A 0.50 kg ball that is tied to the end of a 1.4 m light cord is revolved in a horizontal plane with the cord making a 30 angle with the vertical. (b) If the ball is revolved so that its speed is 4.0 m/s, what angle does the cord make with the vertical?

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