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5 March, 05:44

A cyclist named Carly Daugherty accelerates from 0 m/s to 8 m/s in 3 seconds. What is her acceleration? Is this acceleration higher than that of Soul Train's car, which accelerates from 0 to 30 m/s in 8 seconds? How do you know

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  1. 5 March, 07:28
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    Magnitude of acceleration =

    (change in speed) / (time for the change).

    Magnitude of Carly's acceleration =

    (8 m/s) / (3 sec) = 2-2/3 m/s²

    Magnitude of Soul Train's acceleration =

    (30 m/s) / (8 sec) = 3.75 m/s².

    Soul Train's acceleration is about 41% greater than Carly's.
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