(Answered) A ball is attached to a horizontal cord of

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A ball is attached to a horizontal cord of length L whose other end is fixed

(a) If the ball is released, what will be its speed at the lowest point of its path?

(b) A peg is located a distance h directly below the point of attachment of the cord. If h = 0.84L, what will be the speed of the ball when it reaches the top of its circular path about the peg?

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