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October 23, 2014

Homework Help: physics

Posted by Jen on Sunday, January 15, 2012 at 5:13pm.

A woman on a bridge 77.4 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 7.07 m more to travel before passing under the bridge. The stone hits the water 4.18 m in front of the raft. Calculate the speed of the raft.

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