A ball is attached to a horizontal cord of length

Chapter , Problem 85

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A ball is attached to a horizontal cord of length whoseother end is fixed, Fig. 8-42. (a) If the ball is released, whatwill be its speed at the lowest point of its path? (b) A peg islocated a distance h directlybelow the point of attachmentof the cord. Ifh = 0.80, what will be thespeed of the ball when itreaches the top of its circularpath about the peg?

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