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May 27, 2015

Homework Help: physical sciences (motion in two dimensions)

Posted by Lee on Thursday, January 17, 2013 at 2:14pm.

John stand at the top of a 30m building. He throws a stone upwards with a speed of 5m/s. Calculate. (1)how long the stone is in the air. (2)the maxi
mum height the stone reaches the ground?

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