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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.
Related Questions: - The dual nature of light is exhibited by
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The dual nature of light is exhibited by
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
- A wheel of mass 10 kg has a moment of inertia of 10 kgm² about its own axis
- An electric dipole of length 1 cm is placed with the axis making an angle of 30⁰
- A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1m
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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