After he lands on the raft the raft with him on it moves

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Tyrone, an 85-kg teenager, runs off the end of a horizontal pier and lands on a free-floating 158-kg raft that was initially at rest. After he lands on the raft, the raft, with him on it, moves away from the pier at 1.9 m/s. What was Tyrone's speed as he ran off the end of the pier?

Reference no: EM13645320

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