JEE Main 2019 — Laws of Motion Question with Solution
JEE Main 2019 (11 Jan Shift 2)
Question
A particle of mass is moving in a straight line with momentum p. Starting at time a force t acts in the same direction on the moving particle during time interval T so that its momentum changes from to . Here is a constant. The value of is
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
From Newton's second law
Integrating both sides we get,
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Laws of Motion 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 2019, 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.