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At a metro station, a girl walks up a st...

At a metro station, a girl walks up a stationary escalator in time `t_1`. If she remains stationary on the escalator, then the escalator take her up in time `t_2`. The time taken by her to walk up on the moving escalator will be

A

`(t_1+t_2)//2`

B

`t_1t_2//(t_2-t_1)`

C

`t_1t_2//(t_2+t_1)`

D

`t_1-t_2`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-MOTION IN A STRAIGHT LINE -EXERCISE -I
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