The upper half of an inclined plane of inclination θ is perfectly smooth while lower

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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)

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