A cane filled with water is revolved in a vertical circle of radius $4 $ meter and the water just does not fall down. The time period of revolution will be ........ $\sec$
A cane filled with water is revolved in a vertical circle of radius $4 $ meter and the water just does not fall down. The time period of revolution will be ........ $\sec$
$1$
$10 $
$8 $
$4$
A cane filled with water is revolved in a vertical circle of radius $4 $ meter and the water just does not fall down. The time period of revolution will be ........ $\sec$
For critical condition at the highest point $\omega = \sqrt {g/R} $
$⇒$ $T = \frac{{2\pi }}{\omega } = 2\pi \sqrt {R/g} = 2 \times 3.14\sqrt {4/9.8} $
$= 4\, sec.$