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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two bodies A and B having temperature 327° C and 427° C are radiating heat
- A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field
- Two identical capacitors each of capacitance 5 mF are charged potentials 2 kV and 1 kV
- If particles are moving with same velocity, then maximum de Broglie wavelength will
- A planet in a distinct solar system is 10 times more massive than the earth
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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