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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 are mechanical waves?
- A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
- 540 g of ice at 0° C is mixed with 540 g of water at 80° C. The final temperature
- A wire in the form of a circular loop of one turn, carrying a current, produces
- If a body travels half the distance with velocity v1 and the next half with velocity v2
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following are mechanical waves?
- A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
- 540 g of ice at 0° C is mixed with 540 g of water at 80° C. The final temperature
- A wire in the form of a circular loop of one turn, carrying a current, produces
- If a body travels half the distance with velocity v1 and the next half with velocity v2
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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