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14 November, 04:11

A car travelling on a straight road initially at 45 km/h accelerates for 5.0 s at a constant acceleration of 8.0 m/s2. What is the car's final speed, in m/s?

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  1. 14 November, 04:26
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    52.5m/s

    Explanation:

    u=45km/hr=45*1000/60*60=12.5

    t = 5 sec

    a=8m/s^2

    v=?

    Now,

    v=u+at

    v=12.5+8*5

    v=52.5
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