JEE Main 2002 — Motion In One Dimension Question with Solution
JEE Main 2002
Question
If a body looses half of its velocity on penetrating 3 cm in a wooden block, then how much will it
penetrate more before coming to rest?
Choose an option
Show full solutionCorrect option: A
Correct answer
A1 cm
Step-by-step explanation
Let the initial velocity of the body be v. Hence the final velocity = v/2
Applying
In IInd case when the body comes to rest, final velocity = 0, initial velocity = v/2
Again, or
So the extra penetration will be
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This is a previous-year question from JEE Main 2002, 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.