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Laws Of Motion

Question

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The block of mass M moving on the frictionless horizontal surface collides with a spring of spring constant K and compresses it by length L. The maximum momentum of the block after collision is

$square root of MK L$

KL²/2M

zero

ML²/K

Solution

A.

square root of MK L

1 half KL squared space equals space fraction numerator straight P squared over denominator 2 straight m end fraction therefore space straight P space equals space square root of MK straight L

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