physics

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A boy on roller blades throws a jug of water away from himself, giving it a speed of 10 m/s. The boy's mass is 50 kg and the mass of the jug and water is 9 kg. What is the velocity gained by the boy?

  • physics -

    momentum is conserved.
    initialmomentum=finalmomentum
    0=9(10)+50V
    solve for V. Notice its direction (sign).

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