JEE Main 2023 — Motion In Two Dimensions Question with Solution
JEE Main 2023 (31 Jan Shift 1)
Question
The initial speed of a projectile fired from ground is . At the highest point during its motion, the speed of projectile is . The time of flight of the projectile is:
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
At maximum height, only horizontal velocity of the particle remains. Let the angle of project be . The horizontal velocity of the particle will remain same, therefore
Now, time of flight of projectile is
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This is a previous-year question from JEE Main 2023, covering the Motion In Two Dimensions 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.