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Posted by on Sunday, September 1, 2013 at 11:02am.

A woman on a bridge 91.1 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 8.20 m more to travel before passing under the bridge. The stone hits the water 3.49 m in front of the raft. Find the speed of the raft.

  • Physics - , Sunday, September 1, 2013 at 11:41am

    find the time to fall 92.1 meters.

    How far did the raft travel (8.2-3.49)
    speed=distance/time

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