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A car moving at a speed v is stopped in ...

A car moving at a speed v is stopped in a certain distance when the brakes produce a deceleration a. If the speed of car was nv , what must be the decceleration of the car to stop it in the same distance and in the same time?

A

`n^(3)a`

B

na

C

`n^(2)a`

D

`sqrt(na)`

Text Solution

Verified by Experts

The correct Answer is:
c
When speed is made n times then distance require to stop the body by same retarding force become `n^(2)` time.
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MODERN PUBLICATION-DESCRIPTION OF MOTION IN ONE DIMENSION -Revision Test
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