The upper half of an inclined plane of inclination is perfectly smooth while the lower…
Physics · NEET · NTA Exams — Laws of Motion
The upper half of an inclined plane of inclination is perfectly smooth while the lower half is rough. A body starting from the rest at top comes back to rest at the bottom if the coefficient of friction for the lower half is given by
[Pb. PMT 2000; Similar NEET 2013]
[Pb. PMT 2000; Similar NEET 2013]
- = sin
- = cot
- = 2 cos
- = 2 tan
Answer
(D) = 2 tan
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