An open cylindrical vessel of 20 cm diameter and 100 cm long contains – McqOptions

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1.	An open cylindrical vessel of 20 cm diameter and 100 cm long contains water up to a height of 80 cm. What will be the rotational speed of the vessel about its vertical axis such that no water spills? [ g = 10 m/s2]
A.	10√2 rad/s
B.	20√2 rad/s
C.	30√2 rad/s
D.	40√2 rad/s
Answer» C. 30√2 rad/s

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