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A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizontal reaches 30⁰, the box starts to slip and slides 4.0 m down the plank in 4.0 s. The coefficients of static and kinetic friction between the box and the plank will be, respectively.
Options
(a) 0.5 and 0.6
(b) 0.4 and 0.3
(c) 0.6 and 0.6
(d) 0.6 and 0.5
Correct Answer:
0.6 and 0.5
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a n-type semiconductor, which of the following statement is true?
- In forward biasing of the p-n junction
- Efficiency of a Carnot engine is 50% when temperature of sink is 500K. In order
- For a normal eye, the cornea of eye provides a converging power 40 D and the least
- The ratio of the acceleration for a solid sphere(mass m and radius R)rolling down
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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