JEE Main 2014 — Motion In One Dimension Question with Solution
JEE Main 2014 (12 Apr Online)
Question
A person climbs up a stalled escalator in . If standing on the same but escalator running with constant velocity he takes . How much time is taken by the person to walk up the moving escalator?
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Person's speed walking only is
Standing the escalator without walking the
speed is
Walking with the escalator going, the speed add.
So, the person's speed is
So, the time to go up the escalator ("seconds per escalator") is
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This is a previous-year question from JEE Main 2014, covering the Motion In One Dimension chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.