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A disc of radius R has a light pole fixed perpendicular to the disc at the circumference which in turn has a pendulum of length R attached to its other end as shown in figure. The disc is rotated with a constant angular velocity ω. The string is making an angle 30° with the rod. Then the angular velocity ω of disc is: 1) 2) 3) 4)


 

A disc of radius R has a light pole fixed perpendicular to the disc at the circumference which in turn has a pendulum of length R attached to its other end as shown in figure. The disc is rotated with a constant angular velocity ω. The string is making an angle 30° with the rod. Then the angular velocity ω of disc is:
 
 

4)Image not present


Grade:10

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