A 25-Kg Boy Jumps Off of a 130-Kg Raft

question 22

Multiple Choice

A 25-kg boy jumps off of a 130-kg raft.If the boy jumps off at a speed of 4.90 m/s relative to the lake,what is the speed of the raft relative to the lake? Ignore the effects of water resistance.

• A)0.94 m/s
• B)1.1 m/s
• C)1.6 m/s
• D)2.5 m/s
• E)0.50 m/s

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