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0 votes
7.4k views
in Physics by (47.6k points)

When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20s, then retardation will be: 

a) +2 m/s

b) -2 m/s

c) -0.5 m/s2 

d) +0.5 m/s

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1 Answer

+1 vote
by (46.9k points)

The correct answer d) +0.5 m/s2

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