Question: A stone is dropped at t = 0. A second stone, with 4 times the mass of the first, is dropped from the same point

A stone is dropped at t = 0. A second stone, with 4 times the mass of the first, is dropped from the same point at t = 160 ms. (a) How far below the release point is the center of mass of the two stones at t = 250 ms? (Neither stone has yet reached the ground.) (b) How fast is the center of mass of the two-stone system moving at that time? (a) Number i Units m (b) Number I Units m/s

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