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30 December, 00:56

an object starts at rest and accelerates until it is moving at 247 km/h. if it takes 1.7minutes for this change to occur what is the average acceleration in m/s

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  1. 30 December, 02:56
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    The average acceleration in 0.67 m/s^2.

    The average acceleration is calculated as change in velocity/time

    a = (247*5/18) / (1.7*60)

    =68.61/102=0.67 m/s^2

    Therefor the average acceleration of the object is 0.67 m/s^2
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