JEE Main 2021PhysicsCenter of Mass Momentum and CollisionEasyNumerical

JEE Main 2021 — Center of Mass Momentum and Collision Question with Solution

JEE Main 2021 (22 Jul Shift 1)

Question

The position of the centre of mass of a uniform semi-circular wire of radius R placed in x-y plane with its centre at the origin and the line joining its ends as x-axis is given by, 0, xRπ. Then, the value of |x| is          .

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Show full solutionCorrect answer: 2
Correct answer
2

Step-by-step explanation

COM of semi-circular ring is at 2Rπ

Distance from centre ⇒x=2

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About this question

This is a previous-year question from JEE Main 2021, covering the Center of Mass Momentum and Collision 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.