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March 28, 2017

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A 45 kg boy running at 3 meters per second jumps on to a 97 kg sled that is initially at rest. Find the resulting speed of the sled with the boy aboard.

  • Physics - ,

    Hint: linear momentum is conserved.

    Mboy*(3 km/s) = (Mboy + Msled)*Vfinal

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