Steph T.

asked • 08/28/22

Constant velocity and acceleration

A sports car moving at constant velocity travels 120 m in 5.0 s. If it then brakes and comes to a stop in 4.0 s, what is the magnitude of its acceleration (assumed constant) in m/s2, and in g’s (g = 9.80 m/s2)?

Daniel B.

tutor
All your questions seem to boil down to knowing the formula s = (at^2)/2 where "a" is acceleration, "t" is time, and "s" is the distance traversed while accelerating at rate "a" for time period "t".
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08/28/22

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