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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
- Two capacitors of capacitances 2 μF and 3 μF are joined in series.
- An open knife edge of mass 200g is dropped from height 5m on a cardboard
- On a frictionless surface, a block of mass M moving at speed v collides elastically
- The electric field in a certain region is given by E=5i ̂-3ĵ kV/m. The potential
- Element ²³⁴U has 92 protons and 234 nucleons in its nucleus. It decays by
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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