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before colliding, the momentum of block A is +15.0 kg*m/s, and Block B is -35.0 kg*m/s. After, block a has a momentum -12.0 kg*m/s. What is the momentum of block B afterwards?

 Aug 28, 2019
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\(\text{in a frictionless system linear momentum is conserved}\\ 15.0 + (-35.0) = (-12.0) + m_{bf}\\ m_{bf} = -8 kg*m/s\)

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 Aug 29, 2019
edited by Rom  Aug 29, 2019

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