sara331 sara331

10-07-2016
Physics

contestada

A car traveling at 27 m/s starts to decelerate steadily. It comes to a complete stop in 5 seconds. What is its acceleration?

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poojaa195 poojaa195

10-07-2016

a=Δv/t
a=change in velocity/time (27 would be negative because it's decelerating)
So
Δv=-27m/s
t=5

-27/5=-5.4m/s^2

Final answer: -5.4m/s^2

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