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Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 3 - Motion in a Straight Line > Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time t1​. On other days, if she remains stationary on the moving escalator, then the escalator takes her up in time t2​. The time taken by her walk up on the moving escalator will be:

Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time t1​. On other days, if she remains stationary on the moving escalator, then the escalator takes her up in time t2​. The time taken by her walk up on the moving escalator will be:

if she remains stationary on the moving escalator Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time t1​. On other days then the escalator takes her up in time t2​. The time taken by her walk up on the moving escalator will be: