Jee Main
Motion In A Straight Line
JEE Main 2021 (Online) 20th July Evening Shift
MCQ+4 / -12021
A boy reaches the airport and finds that the escalator is not working. He walks up the stationary escalator in time t1. If he remains stationary on a moving escalator then the escalator takes him up in time t2. The time taken by him to walk up on the moving escalator will be :
