# physical science

How much time is needed for a car to accelerate from 8.0 m/s to speed of 22 m/s if the acceleration is 3.0 m/s^2?

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2. 👎 0
3. 👁 120
1. acceleration= changevelocity/time

time= changevelocity/accel=14/3 seconds

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2. 👎 0

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