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11 July, 21:09

Find the force of a 600 kg car experiences accelerating from 10 km/hr to 35 km/hr in 3 seconds?

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  1. 11 July, 21:41
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    Given,

    m=600 kg

    u=10 km/hr

    v=35 km/hr

    t = 3 sec

    a=?

    F=?

    To find a:

    u=10 km/hr=5/18*10=25/6=4.16m/s

    v=35 km/hr=5/18*35=175/18=9.72m/s

    t=3 sec

    Now we have,

    u=4.16m/s

    v=9.72m/s

    t=3 sec

    To find acceleration:

    a = (v-u) / t

    a = (9.72-4.16) / 3

    a=5.56/3

    a=1.85m/s^2

    To find F:

    m=600 kg

    a=1.85 m/s^2

    F=ma

    F=600*1.85

    F=1110N

    Therefore, F=1110N
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