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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.
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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 coil of self-inductance L is connected in series with a bulb B and an AC source
- The moment of inertia of a rod about an axis through its centre and perpendicular
- If the wavelength of light in vacuum be, the wavelength in a medium of refractive index
- If two charges +4e and +e are at a distance x apart, then at what distance charge q
- The primary of a transformer when connected to a dc battery of 10 volt draws a current
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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