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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.
Related Questions: - Which of the following statements is correct?
- Two point charge +9e and +e are at 16 cm away from each other.
- The upper half of an inclined plane of inclination θ is perfectly smooth while lower
- A car is moving with uniform acceleration. It covers 200 m in 2 sec and 220 m
- A electric dipole is placed at an angle of 30⁰ to a non-uniform electric field.
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following statements is correct?
- Two point charge +9e and +e are at 16 cm away from each other.
- The upper half of an inclined plane of inclination θ is perfectly smooth while lower
- A car is moving with uniform acceleration. It covers 200 m in 2 sec and 220 m
- A electric dipole is placed at an angle of 30⁰ to a non-uniform electric field.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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