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A car of mass m is moving on a level circular track of radius R. If µs represents the static friction between the road and tyres of the car, the maximum speed of the car in circular motion is given by :
Options
(a) √(µsmRg)
(b) √(Rg/µs)
(c) √(mRg/µs)
(d) √(µsRg)
Correct Answer:
√(µsRg)
Explanation:
For smoot h driving maximum speed of car v then
mv² / R = µsmg
v = √(µsRg)
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The speed of electromagnetic waves in vaccum is equal to
- Source S₁ is producing, 10¹⁵ photons per second of wavelength 5000Å
- If the number of radius of ²⁷Al is 3.6 Fermi, the approximate nuclear radius
- The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma
- Electrons used in an electron microscope are accelerated by a voltage of 25 kV
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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