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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

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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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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User Julio Batista Silva
by
8.3k points

1 Answer

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

a = v - u/t = -20/4 = -5m/s²
answered
User Mazz
by
8.5k points
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