JEE Main 2022 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 26 July 2022, Shift 1, Physics Q51

Question 51 of 90 in this shift, Physics question 21 of 30, Section B.

If the initial velocity in horizontal direction of a projectile is unit vector

\hat{i}

and the equation of trajectory is

y = 5x(1-x)

. The

y

component vector of the initial velocity is __________

\hat{j}

. (Take

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

)

Official answer

NTA final key.

Chapter: Motion in a Plane
Topic: Projectile Motion
Idea tested: Trajectory Equation Application

Same idea in other shifts

Asked 5× in all

8 Apr 2023, Shift 2 · Q39The trajectory of projectile, projected from the ground is given by $y = x - \frac{x^2}{20}$ . Where $x$ and $y$ are measured in meter. The…MediumSingle correct
27 Jul 2022, Shift 2 · Q32A body of mass 10 kg is projected at an angle of $45^\circ$ with the horizontal. The trajectory of the body is observed to pass through a…MediumSingle correct
3 Aug 2021, Shift 2 · Q8A projectile is thrown with initial velocity of $(3\hat{i}+4\hat{j})\ \mathrm{m/s}$ . Here ' $\hat{i}$ ' is along the horizontal direction…MediumSingle correct
26 Feb 2021, Shift 2 · Q9The trajectory of a projectile in a vertical plane is $y = \alpha x - \beta x^2$ , where $\alpha$ and $\beta$ are constants and x & y are…EasySingle 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.