JEE Main 2020 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 9 January 2020, Shift 2, Physics Q2

Question 2 of 75 in this shift, Physics question 2 of 25, Section A.

A particle starts from the origin at

t=0

with an initial velocity of

3.0\,\hat{i}

m/s and moves in the

x

y

plane with a constant acceleration

(6.0\,\hat{i} + 4.0\,\hat{j})

m/s

^2

. The

x

-coordinate of the particle at the instant when its

y

-coordinate is 32 m is D meters. The value of D is :

(1)50
(2)32
(3)60Official answer
(4)40

Official answer

Option 3

NTA final key (Jan 2020).

Chapter: Motion in a Plane
Topic: Kinematics in 2D
Idea tested: Independence of Axes

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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 42 of the 174 JEE Main shifts held from 2017 to 2026.