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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: - Two cars A and B moving with same speed of 45 km/hr along same direction.
- Two particles of masses m₁ m₂ move with initial velocities u₁ and u₂
- When a bullet of mass 10 g and speed 100 ms⁻¹ penetrates up to distance 1 cm
- What is the energy of photon whose wavelength is 6840 Å?
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two cars A and B moving with same speed of 45 km/hr along same direction.
- Two particles of masses m₁ m₂ move with initial velocities u₁ and u₂
- When a bullet of mass 10 g and speed 100 ms⁻¹ penetrates up to distance 1 cm
- What is the energy of photon whose wavelength is 6840 Å?
- Two coils have the mutual inductance of 0.05 H.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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