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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
- A fluid is in streamline flow across a horizontal pipe of variable area of cross section
- At 0⁰C, 15 gm of ice melts to form water at 0⁰C. The change in entropy is
- A monoatomic gas at a pressure P, having a volume V expands isothermally
- Angle of contact of a liquid with a solid depends on
- Which of the following transitions in hydrogen atoms emit photons of highest frequency?
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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