A block of mass m 210 kg slides down a 300deg incline, Ask an Expert

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A block of mass m = 2.10 kg slides down a 30.0° incline which is 3.60 m high. At the bottom, it strikes a block of mass M = 6.90 kg which is at rest on a horizontal surface, (Assume an elastic collision, and ignore friction.)

(a) Determine the speeds of the two blocks after the collision.

lighter block m/s

heavier block m/s

(b) Determine how far back up the incline the smaller mass will go.

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