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31 March, 13:28

A van increased in speed from 20 km/h to 30 km/h in 5s. Calculate the acceleration

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  1. 31 March, 16:20
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    Acceleration = change in velocity / time taken

    final velocity = 30kmph =

    30/60km/s=

    0.5km/s

    initial velocity=20kmph

    =20/60km/s

    =0.33km/s

    change in velocity=0.5-0.33

    =0.17m/s

    acceleration=0.17/5

    =0.034m/s^2
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