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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 4 A current flows for 2 min in an electroplating experiment,
- Changing magnetic fields can set up current loops in nearby metal bodies
- A ray of light passes from a medium A having refractive index 1.6 to the medium
- In a ionised gas,the mobile charge carriers are
- A steady current is passing through a linear conductor of non-uniform cross-section.
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When 4 A current flows for 2 min in an electroplating experiment,
- Changing magnetic fields can set up current loops in nearby metal bodies
- A ray of light passes from a medium A having refractive index 1.6 to the medium
- In a ionised gas,the mobile charge carriers are
- A steady current is passing through a linear conductor of non-uniform cross-section.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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