JEE Main 2018PhysicsMotion In One DimensionEasyMCQ

JEE Main 2018 — Motion In One Dimension Question with Solution

JEE Main 2018 (15 Apr)

Question

An automobile, traveling at 40 km h-1, can be stopped at a distance of 40 m by applying brakes. If the same automobile is traveling at 80 km h-1, the minimum stopping distance in metres is (Assume no skidding):

Choose an option

Show full solutionCorrect option: D
Correct answer
D160 m

Step-by-step explanation

S=u22a
S1S2=u12u22⇒S2=u2u12S1=22 40=160 m

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Motion In One Dimension chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2018, 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.