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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 accelera…
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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 accelera…
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Nov 23, 2017
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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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Tom Robinson
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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.
Ed Barbu
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Nov 28, 2017
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