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. A stone is dropped att = 0. A second s...

. A stone is dropped att = 0. A second stone, with twice the mass of the first, is dropped from he same point att = 100 ms. (a) How far below the release point is the centre of mass of the two stones att = 300 ms 7 (Neither stone has yet reached the ground). (b) How fast is the centre of mass of the two-stone system moving at that time?

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