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17 June, 13:45

A sports car moving at constant speed travels 115m in 5.3 s. If it then brakes and comes to a stop in 4.0 s, what is it's acceleration? Express the answer in terms of g's, where g = 9.80 m/s (Take the positive direction to be the direction of travel)

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  1. 17 June, 14:11
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    V = 115m/5.3s = 21.7 m/s

    A = V/T = (21.7 m/s) / 4s = 5,4245 m/s^2

    That is 0,55g’s
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