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The upper half of an inclined plane of inclination θ is perfectly smooth while lower half is rough. A block starting from rest at the top of the plane will again come to rest at the bottom, if the coefficient of friction between the block and lower half of the plane is given by
Options
(a) µ = 2 / tan θ
(b) µ = 2 tan θ
(c) µ = tan θ
(d) µ = 1 / tan θ
Correct Answer:
µ = 2 tan θ
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Mass and diameter of a ring is 2 kg and 1 m respectively. The moment of inertia
- A cycle wheel of radius 4 m completes one revolution in two seconds. Then acceleration
- The angle between the dipole moment and electric field at any point on the equatoria
- The electric potential at a point (x,y,z) is given by V = – x²y – xz³ + 4.
- Two point white dots are 1 mm apart on a black paper.
Topics: Work Energy and Power (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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