JEE Main 2023PhysicsMotion In One DimensionEasyMCQ

JEE Main 2023 — Motion In One Dimension Question with Solution

JEE Main 2023 (13 Apr Shift 2)

Question

The distance travelled by an object in time t is given by s=2.5t2 . The instantaneous speed of the object at t=5 s will be :

Choose an option

Show full solutionCorrect option: A
Correct answer
A25 m s–1

Step-by-step explanation

It is given that 

s=2.5t2

Differentiating,

v=dsdt=d2.5t2dt=5t

 At t = 5 s, v= 25 m s-1

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About this question

This is a previous-year question from JEE Main 2023, 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.