Asked by Harry
The brakes of an automobile are suddenly applied at the instant when its velocity is 20 m/s. If the automobile comes to a stop after 5 seconds, what is its acceleration?
Answers
Answered by
Damon
v = Vi + a t
0 = 20 + 5 a
a = - 4 m/s^2
0 = 20 + 5 a
a = - 4 m/s^2
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