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10 June, 15:06

The brakes of a car are applied to give it an acceleration of - 2m/s^2. The car comes to a stop in 3s. What was its speed when the brakes were applied?

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  1. 10 June, 18:18
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    So if its acceleration is - 2m/s^2 that means every second the initial velocity would be subtracted by 2. So since it took 3 seconds 2*3=6. The initial velocity was 6 m/s
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