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A car having a mass of 1000 kg is moving...

A car having a mass of 1000 kg is moving at a seed of 30 metres/sec. Brakes are applied to bring the car to rest if the frictional force between the tyres and the road surface is 5000 newtons,the car will come to reast in

A

5s

B

10s

C

12s

D

6s

Text Solution

Verified by Experts

The correct Answer is:
D
(d) Retardation, `a=(F)/(m)=5 ms^(-2) implies0=30-gt`
`therefore" " t=6s`
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