JEE Main 2012 — Laws of Motion Question with Solution
JEE Main 2012 (07 May Online)
Question
A car of mass is moving at a speed of 30 . Brakes are applied to bring the car to rest. If the net retarding force is , the car comes to stop after travelling in . Then
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Given: mass of car
By equation, as
and
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This is a previous-year question from JEE Main 2012, covering the Laws of Motion 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.