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The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction 0.6 to avoid skidding is
Options
(a) 60 ms⁻¹
(b) 30 ms⁻¹
(c) 15 ms⁻¹
(d) 25 ms⁻¹
Correct Answer:
30 ms⁻¹
Explanation:
Using the relation,
or v² = μrg
= 0.6 x 150 x 10
v = 30 ms⁻¹.
Related Questions: - When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
- Identify the paramagnetic substance
- The displacement of an object attached to a spring and executing simple harmonic
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
- The escape velocity of a body on an imaginary planet which is thrice the radius
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
- Identify the paramagnetic substance
- The displacement of an object attached to a spring and executing simple harmonic
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
- The escape velocity of a body on an imaginary planet which is thrice the radius
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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