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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 car is moving in a circular horizontal track of radius 10.0 m with a constant speed
- In Bohr model of hydrogen atom, the force on the electron depends on the principal
- If a spring of spring constant k stretched by a length x under tension T, the energy
- A thin semicircular conducting ring (PQR) of radius r is falling with its plane
- If the binding energy of the electron in a hydrogen atom is 13.6 eV, the energy
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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