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posted by brandon Tuesday, February 7, 2012 at 1:14pm.

how much time is needed for a car to accelerate from 6.5 m/s to a speed of 22 m/s if the acceleration is 3.0 m/s/s?

t = (Vf-Vo)/a, t = (22-6.5) / 3 = 5.17 s.

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