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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 half-life of radioactive element is 600 yr. The fraction of sample
- Charge Q is divided into two parts which are then kept some distance apart. The force
- The wave function (in SI unit) for a light wave is given as Ψ(x,t)= 10³ sin π
- An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is
- Two coherent sources of different intensities send waves which interfere.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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