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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 speed 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 rest in

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The correct Answer is:
6
`v = u - at implies t = (u)/(a)` [As v = 0] `t = (u xx m)/(F) = (30 xx 1000)/(5000) = 6` sec.
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