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    Linear Momentum

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    "Find the speed at which Superman (mass = 89.0 g) must fly head-on into a train (mass = 16405 kg) traveling at 75.0 km/hr to stop it."

    © BrainMass Inc. brainmass.com February 24, 2021, 2:15 pm ad1c9bdddf
    https://brainmass.com/physics/conservation-of-momentum/linear-momentum-10258

    Solution Preview

    The concept which we must understand is that initial momentum of the system before collision is equal to the final momentum of the system after collision.

    <br>That is m1*v1 + m2*v2 = m1*v3 + ...

    $2.19

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