JEE Main 2020PhysicsMotion In One DimensionMediumNumerical

JEE Main 2020Motion In One Dimension Question with Solution

JEE Main 2020 (08 Jan Shift 1)

Question

A particle is moving along the x -axis with its coordinate with time t given by xt=10+8t-3t2. Another particle is moving along the y -axis with its coordinate as a function of time given by yt=5-8t3. At t=1 s, the speed of the second particle as measured in the frame of the first particle is given as v. Then vin m s-1 is ___________.

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Show full solutionCorrect answer: 580
Correct answer
580

Step-by-step explanation

v1=8-6ti^

v2=-24t2j^

v21=580

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About this question

This is a previous-year question from JEE Main 2020, 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.