Which is the top of the hill on the right

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Reference no: EM13267359

A Ball begins rolling at the left and has just suffient energy to climb up to point C, which is the top of the hill on the right. What is the speed at point A and B? ( Point A is 20 Meters high, B is at 0, and C is at 30 Meters high)

Reference no: EM13267359

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