JEE Main 2022PhysicsMotion In Two DimensionsEasyMCQ

JEE Main 2022 — Motion In Two Dimensions Question with Solution

JEE Main 2022 (26 Jul Shift 1)

Question

Two projectile thrown at 30° and 45° with the horizontal respectively, reach the maximum height in same time. The ratio of their initial velocities is

Choose an option

Show full solutionCorrect option: C
Correct answer
C2:1

Step-by-step explanation

Time taken to reach maximum height is given by 

t=usinθg, where, u is initial velocity.

Here, t1=t2

∴u1sinθ1g=u2sinθ2g

⇒u1sin30=u2sin45

⇒u1u2=1212=21=2:1

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About this question

This is a previous-year question from JEE Main 2022, 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.