JEE Main 2025 — Motion In One Dimension Question with Solution
JEE Main 2025 (29 Jan Shift 2)
Question
Two cars and are moving on a road in the same direction. Acceleration of car increases linearly with time whereas car moves with a constant acceleration. Both cars cross each other at time , for the first time. The maximum possible number of crossing(s) (including the crossing at is ________.
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Show full solutionCorrect answer: 3
Correct answer
3
Step-by-step explanation
is constant
is constant
as initial velocities are not mentioned in question, so will have to assume two cases.
Case-I
and in same direction

Total number of crossing Case-II and in opposite direction
Total number of crossing

Total number of crossing Case-II and in opposite direction

Total number of crossing
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This is a previous-year question from JEE Main 2025, 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.