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21 October, 03:08

A car of mass 1000kg is moving at a speed of 20m/s.

It's brought to rest at a distance of 50m. Calculate the net force acting on the car.

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  1. 21 October, 04:13
    0
    F=ma

    So we have to find acceleration

    V^2-U^2=2as

    V=0, U=10m/s, s = 50m

    (0) ^2 - (10) ^2=2*50*a

    0-100=100*a

    -100=100*a

    -100/100=a

    -1=a

    F=ma

    F=1000*-1

    F = - 1000N

    Hope this is the right answer
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