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A 1.2 kg block is released from rest at point A and follows the curved guide as

ID: 2217081 • Letter: A

Question

A 1.2 kg block is released from rest at point A and follows the curved guide as indicated. At point A this block is located 2.2 m higher than at point B. There is no friction between the block and the guide except between points B and C. The distance between points B and C is 2.5 m. At point C the block is moving with speed of 3.5 m/s. a) Find kinetic energy of the block at point B. b) Find kinetic energy of the block at point C. c) Find friction force acting on the block between points B and C. d) The 1.2 kg block then strikes a stationary 2.4 kg block at point C and sticks to it. At what speed do the blocks move off to the right?

Explanation / Answer

where is the figure??

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