JEE Main 27 January 2024, Shift 1, Physics Q33

Question 33 of 90 in this shift, Physics question 3 of 30, Section A.

A body of mass 1000 kg is moving horizontally with a velocity 6 m/s. If 200 kg extra mass is added, the final velocity (in m/s) is :

(1)6
(2)5Official answer
(3)3
(4)2

Official answer

Option 2

NTA final key.

Chapter: Laws of Motion
Topic: Collisions
Idea tested: Momentum Conservation

Same idea in other shifts

Asked 2× in all

9 Apr 2024, Shift 2 · Q33A nucleus at rest disintegrates into two smaller nuclei with their masses in the ratio of $2:1$ . After disintegration they will move :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.