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March 25, 2017

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A force was applied on a mass of 2kg moving at velocity of 5m/s. If the velocity changed to 20m/s in 4s find the change in momentum and the force

  • Physics - ,

    Change in momentum = 2.0 kg*(20 - 5) m/s
    = 30 kg*m/s

    Force * Time = Change in momentum

    Force = (30 kg*m/s)/(4.0 s)
    = 7.5 Newtons

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