BITSAT 2017 Paper

Section: Physics

Question : 34 of 150

Marks: +1, -0

A thin but rigid semicircular wire frame of radius r is hinged at O and can rotate in its own vertical plane. A smooth peg P starts from O and moves horizontally with constant speed v0, lifting the frame upward as shown in figure.

Find the angular velocity w of the frame when its diameter makes an angle of 60° with the vertical :

v0/r
v0/2r
2v0/r
v0r

Validate

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