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Saturday, 31 October

JEE Main 2022 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 25 June 2022, Shift 2, Physics Q52

Question 52 of 90 in this shift, Physics question 22 of 30, Section B.

A curved in a level road has a radius 75 m. The maximum speed of a car turning this curved road can be 30 m/s without skidding. If radius of curved road is changed to 48 m and the coefficient of friction between the tyres and the road remains same, then maximum allowed speed would be ____________ m/s.

Official answer

24

NTA final key.

Chapter
Laws of Motion
Topic
Circular Motion
Idea tested
Friction on Unbanked Flat Curves

Same idea in other shifts

Asked 2× in all
  1. 16 Mar 2021, Shift 2 · Q15Statement I : A cyclist is moving on an unbanked road with a speed of 7 kmh−1\mathrm{kmh^{-1}} and takes a sharp circular turn along a path…MediumTwo statements

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.