JEE Main 2024 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 29 January 2024, Shift 1, Physics Q51

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

A ball rolls off the top of a stairway with horizontal velocity

u

. The steps are 0.1 m high and 0.1 m wide. The minimum velocity

u

with which that ball just hits the step 5 of the stairway will be

\sqrt{x}\ \mathrm{ms^{-1}}

where

x

= ______ [use g = 10 m/s

^2

Official answer

NTA final key.

Chapter: Motion in a Plane
Topic: Projectile Motion
Idea tested: Horizontal Projection onto a Staircase

Same topic in other shifts

All Projectile Motion questions

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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.