JEE Main 2021PhysicsMotion In One DimensionMediumMCQ

JEE Main 2021Motion In One Dimension Question with Solution

JEE Main 2021 (25 Feb Shift 1)

Question

An engine of a train, moving with uniform acceleration, passes the signal-post with velocity u and the last compartment with velocity v. The velocity with which middle point of the train passes the signal post is :

Choose an option

Show full solutionCorrect option: B
Correct answer
Bv2+u22

Step-by-step explanation

v'2=u2+2ad

v2=v'2+2ad

solving, we get

v'=v2+u22

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About this question

This is a previous-year question from JEE Main 2021, 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.