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24 December, 03:21

The speed of a car is decreasing uniformly from 35 m/s to 15 m/s in 4 s the magnitude of the car's acceleration is

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  1. 24 December, 03:51
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    Initial speed = 35m/s, final speed = 15m/s. Acceleration = final velocity - initial velocity / total time = 15-35/4 = - 20/4 = - 5m/s^2. Therefore magnitude of acceleration is 5m/s^2.
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