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May 23, 2015

Homework Help: Physical science

Posted by lebogang on Wednesday, April 24, 2013 at 4:08pm.

A ball is thrown up at 8m.s from the roof which is 60m high.it strikes the balcony below after 4s.the ball then bounces off the balcony and strikes the ground.ignore the effects of friction.calculate magnitude of the velocity at which the ball strike the balcony?

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