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A uniform thin rod of length l =2m is kept vertically inside a fixed frictionless spherical shell of radius R=2m. The rod starts slipping inside the shell without loosing contact with sphere. The angular speed of the rod (in rad/s) in the position when it becomes horizontal is:

A uniform thin rod of length  l =2m is kept vertically inside a fixed frictionless spherical shell of radius R=2m. The rod starts slipping inside the shell without loosing contact with sphere. The angular speed of the rod (in rad/s) in the position when it becomes horizontal is:


 


 


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Grade:10

1 Answers

shaurya vardhan
16 Points
11 years ago

HINT: use work energy theorem.. of rotational dynamics..

put velocity of cenre of mass= r x angular velocity

only conservative force acting here is gravity.

 

- SHAURYA

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