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When a car driver travelling at a speed...

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

A

`+2m//s^(2)`

B

`-2m//s^(2)`

C

`-0.5m//s^(2)`

D

`+0.5m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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