A cylindrical vessel 40 cm high is revolved about its vertical axis so – McqOptions

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1.	A cylindrical vessel 40 cm high is revolved about its vertical axis so that the water touches the bottom when it just spills out. If the radius of the cylinder is cm, the angular velocity of rotation, is
A.	2 rad/sec
B.	3 rad/sec
C.	4 rad/sec
D.	5 rad/sec
E.	none of these.
Answer» B. 3 rad/sec

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