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May 28, 2015

Homework Help: physics

Posted by alex on Tuesday, June 21, 2011 at 8:58pm.

A boy drops a stone-A, down from a cliff 480 meters high, next he throws a stone-B, 1 second later - at what initial velocity was the stone-B be thrown so as to meet the stone-A on ground at the same time? g=10 m/s2.

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