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25 March, 21:49

You accelerate your 1500 Kg from 2 m/s to 12 m/s in 2 seconds. How do you determine

the cars acceleration initial momentum final momentum change in momentum the force required to do this?

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  1. 26 March, 00:58
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    A = (vf-vi) / t = (12m/s-2m/s) / 2s = 5m/s²

    initial momentum = 150kg*2m/s = 300kgm/s

    final momentum = 150kg*12m/s = 1800kgm/s

    change in momentum = 1800kgm/s - 300kgm/s = 1500kgm/s

    j = ft

    f = j/t = 1500kgm/s / 2s = 750N
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