A body is moving down along an inclined plane of angle of inclination The coefficient of…
Physics · JEE Advanced · NTA Exams — Laws of Motion
A body is moving down along an inclined plane of angle of inclination \(\theta\) The coefficient of friction between the body and the plane varies as\(\mu=0.5 x\), where x is the distance moved down the plane. The body will have the maximum velocity when it has travelled a distance x given by:
- \(x=2 \tan \theta\)
- \(x=\frac{2}{\tan \theta}\)
- \(x=\sqrt{2} \cot \theta\)
- \(x=\frac{\sqrt{2}}{\cot \theta}\)
Answer
(A) x=2
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