What is the minimum speed with which a bucket of water can be whirled in a vertical circle of diameter 250 cm so that water does not fall ?

What is the minimum speed with which a bucket of water can be whirled

1.	What is the minimum speed with which a bucket of water can be whirled in a vertical circle of diameter 250 cm so that water does not fall ?
Answer» SOLUTION :`mv^(2)//r = mg, v = SQRT(rg) = sqrt(1.25 xx 9.8) = 3.5 m//s`