what is the magnitude of the cars acceleration how long does it take the car to change its speed?
In a test run, a certain car accelerates uniformly from zero to 22.0 m/s in 2.30 s.
(a) What is the magnitude of the car's acceleration?
(b) How long does it take the car to change its speed from 11.0 m/s to 22.0 m/s?
(c) Will doubling the time always double the change in speed?
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