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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
- A battery having e.m.f. 4 volt and internal resistance 0.5 Ω is connected
- The magnetic moment of a diamagnetic atom is
- The induced emf in a coil of 10 H inductance in which current varies
- The process of adding impurities to the pure semiconductor is called
- Two equal and opposite charges of masses m₁ and m₂ are accelerated
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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