27-12-2017
Physics

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A car traveling at 25 m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. What is Its acceleration?

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27-12-2017

Using the formula v = u + at where v = 0, u = 25 m/s, and t = 10 s,

0 = 25 + 10a
10a = -25
a = -2.5 m/s^2

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