A commuter backs her car out of her garage with an acceleration of 1.40 m/s2. (a) how long (in seconds) does it take her to reach a speed of 2.00 m/s?

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asked Jun 21, 2018 11.9k views

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Constantin Chirila · Answer 1 · 2018-06-27T12:40:59+0000

Velocity is the integral of acceleration. Since the acceleration is 1.4m/s^2 the integral is just V=1.4t m/s
So se set
2.00=1.4t
2.00/1.4=1.43s
t=1.43s

A commuter backs her car out of her garage with an acceleration of 1.40 m/s2. (a) how long (in seconds) does it take her to reach a speed of 2.00 m/s?

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