BITSAT 2020 Paper

Section: Physics

Question : 3 of 150

Marks: +1, -0

The upper half of an inclined plane with inclination ϕ is perfectly smooth while the lower half is rough. A body starting from rest at the top will again come to rest at the bottom if the coefficient of friction for the lower half is given by

2‌cos‌ϕ
2‌sin‌ϕ
tan‌ϕ
2‌tan‌ϕ

Validate

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