A cane filled with water is revolved in ...

A cane filled with water is revolved in a vertical circle of radius 4 m and water just does not fall down. The time period of revolution will be –

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The correct Answer is:

Given, R= 4m
`v=sqrt(gR)=sqrt(9.8xx4)`
Now, time period `=(2piR)/(v)=(2xx3.14xx4)/(sqrt(9.8xx4))=4 s`

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