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24 October, 23:01

What is the change in momentum of a 40 kg runner that travels from 5 m/s to 11 m/s

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  1. 24 October, 23:19
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    p=mv where p is momentum in kgms-1, m is mass/kg and v is velocity/ms-1

    Therefore to find the change in momentum we can just substitute the numbers in and find the difference.

    At 5ms-1 the runner has a momentum of 5*40=200kgm/s

    At 11ms-1 the runner has a momentum of 11*40=440kgm/s

    Finding the difference, the change of momentum is 240kgm/s
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