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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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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C
- Mass of the nucleons together in a heavy nucleus is
- The minimum wavelength of X-rays produced in a Collidge tube operated
- A body is thrown upward from ground covers equal distances
- In a primary coil 5 A current is flowing on 220 V. In the secondary coil 2200 V
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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