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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
- A current is flowing through resistance. A potential difference of 120 V
- The voltage of an a.c.supply varies with time (t) as V=120 sin 100 πt the maximum voltage
- 300j work is done in sliding a 2kg block up an inclined plane of height 10m
- In an electrical circuit R,L,C and an AC voltage source are all connected in series.
- The ratio of specific heats Cp/Cv=γ in terms of degrees of freedom (n) is given 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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