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Physics(Please help)

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1) A man (mass = 80.9 kg) jumps straight down from a bridge into a boat (mass = 482 kg) in which a criminal is fleeing. The velocity of the boat is initially +14.5 m/s. What is the velocity of the boat after the man lands in it?

would I subtract the two masses and then multiply by the 14.5m/s?

  • Physics(Please help) - ,

    m2•v =(m1+m1) •u,
    u=m2•v/(m1+m2) = 482•14.5/(482+80.9)= =12.42 m/s

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