15 points a block of mass 500 kg is pushed from a height of, Ask an Expert

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15 points A block of mass 5.00 kg is pushed from a height of 2.00m inside of a frictionless circular hoop of radius 2.00m. The block is given enough of a downward push to cause the block to just reach the top of the loop, with zero speed there.

A) What initial speed is given the ball?

B) What is its speed at the lowest point?

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