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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 –

A

1 sec

B

10 sec

C

8 sec

D

4 sec

Text Solution

Verified by Experts

The correct Answer is:
D
At highest point
`v = sqrt(gR) rArr omega = v/R = sqrt(g/R)`
`T = (2pi)/omega = 2pi sqrt(R/g) = 2 xx 3.14 sqrt(4/9.8) = 4 "sec"`
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