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A moving train is stopped by applying br...

A moving train is stopped by applying brakes. It stops after travelling `80 m`. If the speed of the train is doubled and retardation remain the same, it will cover a distance-

A

The same

B

Doubled

C

Halved

D

Four times

Text Solution

Verified by Experts

The correct Answer is:
D
Stopping distance `S prop u^(2)` . If the speed is doubled then the stopping distance will be four times.
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