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A block of mass m = 2.10 kg starts from the rest and slides down a...

A block of mass m = 2.10 kg starts from the rest and slides down a 30.0∘ incline which is 3.60 m high. At the bottom, it strikes a block of mass M = 6.50 kg which is at rest on a horizontal surface (Figure 1). (Assume a smooth transition at the bottom of the incline.) The collision is elastic, and friction can be ignored.

a) Determine the speed of the block with mass m = 2.10 kg after the collision.

b)Determine the speed of the block with mass M = 6.50 kg after the collision.

c)Determine what distance along the incline will the smaller mass climb back after the collision.

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