Question

A retarding force is applied to stop a train. The train stops after 80 m. If the speed is doubled,then the distance travelled when same retarding force is applied is
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Answer 1

Explanation:

The stopping distance is given as , s=

2a

v

2

.

So stopping distance becomes four times if the initial velocity is doubled.

Solve any question of Work, Energy and Power with:-

Answer 2

Answer:

Correct option is D)

The stopping distance is given as , s=

2a

v

2

.

So stopping distance becomes four times if the initial velocity is doubled