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29 August, 01:25

A train slows down from 34 m/s to 4 m/s in 60 seconds. what is it's acceleration?

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  1. 29 August, 03:01
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    Acceleration = change in velocity / time

    change in velocity = final velocity - initial velocity

    because the object is slowing down, the acceleration will be negative.

    acceleration = (4-34) / 60

    acceleration = - 30 / 60

    acceleration = - 0.5 m/s^2

    answer : the train is accelerating at - 0.5 m/s^2
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