JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 11 April 2023, Shift 2, Physics Q39

Question 39 of 90 in this shift, Physics question 9 of 30, Section A.

A projectile is projected at

30^\circ

from horizontal with initial velocity

40\ \mathrm{ms^{-1}}

. The velocity of the projectile at t = 2 s from the start will be : (Given

g = 10\ \mathrm{m/s^2}

)

(1)Zero
(2) $20\sqrt{3}\ \mathrm{ms^{-1}}$ Official answer
(3) $20\ \mathrm{ms^{-1}}$
(4) $40\sqrt{3}\ \mathrm{ms^{-1}}$

Official answer

Option 2

NTA final key.

Chapter: Motion in a Plane
Topic: Projectile Motion
Idea tested: Instantaneous Projectile Velocity

Same idea in other shifts

Asked 4× in all

4 Apr 2026, Shift 2 · Q29If $x$ and $y$ coordinates of a projectile as a function of time ( $t$ ) are given as $24t$ and $43.6t-4.9t^2$ , respectively, then the angle…EasySingle correct
24 Jun 2022, Shift 2 · Q51A body is projected from the ground at an angle of $45^{\circ}$ with the horizontal. Its velocity after 2s is 20 ms $^{-1}$ . The maximum…MediumNumerical value
27 Jun 2022, Shift 1 · Q31A projectile is launched at an angle ‘ $\alpha$ ’ with the horizontal with a velocity $20\ \mathrm{ms^{-1}}$ . After $10\ \mathrm{s}$ , its…MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.