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sara331 sara331
  • 10-07-2016
  • Physics
Answered

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

Verified Answer :

poojaa195
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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