shabalabadingdong1 shabalabadingdong1

21-03-2016
Chemistry

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a car is traveling at 20 m/s and is brought to the rest by applying brakes over a. Of 4 second what is an average acceleration over the time interval

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Divyankasc Divyankasc

21-03-2016

u = 20 m/s
v = 0 m/s
t = 4 s

a = v - u/t = -20/4 = -5m/s²

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