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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
- If vₑ is escape velocity and vₙ is orbital velocity of a satellite
- A particle of mass m, charge Q and kinetic enery T enters a transverse
- A 50Hz AC signal is applied in a circuit of inductance of (1/π)H and resistance 2100Ω
- For the action of a common Base (CB) transistor, (E=emitter, B= base, C= collector)
- On observing light from three different stars P, Q and R, it was found that intensity
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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