JEE Main 2026 · PhysicsNumerical answerNumerical valueMediumMulti-step

JEE Main 8 April 2026, Shift 2, Physics Q50

Question 50 of 75 in this shift, Physics question 25 of 25, Section B.

Two masses of 3.4 kg and 2.5 kg are accelerated from an initial speed of 5 m/s and 12 m/s, respectively. The distances traversed by the masses in the 5

^{th}

second are 104 m and 129 m, respectively. The ratio of their momenta after 10 s is

\frac{x}{8}

. The value of

x

is ________.

Official answer

NTA final key.

Chapter: Motion in a Straight Line
Topic: Kinematics in 1D
Idea tested: Displacement in the nth Second

Same idea in other shifts

Asked 6× in all

4 Apr 2024, Shift 1 · Q34A body travels 102.5 m in n $^{th}$ second and 115.0 m in (n + 2) $^{th}$ second. The acceleration is :EasySingle correct
5 Apr 2024, Shift 1 · Q51A body moves on a frictionless plane starting from rest. If $S_n$ is distance moved between $t=n-1$ and $t=n$ and $S_{n-1}$ is distance…EasyNumerical value
30 Jan 2024, Shift 1 · Q51The displacement and the increase in the velocity of a moving particle in the time interval of t to $(t+1)$ s are 125 m and 50 m/s,…MediumNumerical value
24 Jun 2022, Shift 2 · Q43A fly wheel is accelerated uniformly from rest and rotates through 5 rad in the first second. The angle rotated by the fly wheel in the…EasySingle correct
3 Aug 2021, Shift 1 · Q3A body moving with an initial velocity of 10 $m/s$ , maintains a constant acceleration for 20 $s$ . If it covers a distance of 88 $m$ in 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.