Please show all work In the figure, a small block of mass m = 0.031 kg can slide

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Please show all work

In the figure, a small block of mass m = 0.031 kg can slide along the frictionless loop-the-loop, with loop radius R = 15 cm. The block is released from rest at point P, at height h = 5R above the bottom of the loop. What are the magnitudes of (a) the horizontal component and (b) the vertical component of the net force acting on the block at point Q? (c) At what height h should the block be released from rest so that it is on the verge of losing contact with the track at the top of the loop? (On the verge of losing contact means that the normal force on the block from the track has just then become zero) Number Units Number Units Number Units

Explanation / Answer

http://s1333.photobucket.com/user/zed1111/media/2013-10-16130444_zpsef884856.jpg.html

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