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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: - A paramagnetic sample shows a net magnetisation of 0.8 Am⁻¹, when placed
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A paramagnetic sample shows a net magnetisation of 0.8 Am⁻¹, when placed
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
- A coin placed on a rotating turn table just slips,if it is placed at a distance
- Nuclear fission is not found in
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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