Get Answers to all your Questions

header-bg qa

Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time  t_{1} . On other days, if she remains stationary on the moving escalator, then the escalator takes up in time t_{2}. The time taken by her to walk up on the moving escalator will be

Option: 1


Option: 2


Option: 3


Option: 4


Answers (1)


Let v_{1} is the velocity of Preeti on a stationary escalator and d is the distance traveled by her.

\therefore {{v}_{1}}=\frac{d}{{{t}_{1}}}

Again, let {{v}_{2}} is the velocity of the escalator 

\therefore {{v}_{2}}=\frac{d}{{{t}_{2}}}

\therefore Net velocity of Preeti on moving escalator will be

Posted by


View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks