'A legendary Dutch boy saved Holland by plugging a hole in a dike with his finger; which is 1.00 cm in diameter: (a) If the hole was 2.40 m below the surface of the North Sea (density 1030 kg/m3), what was the force on his finger? N
(b) If he pulled his finger out of the hole, how long would it take the released water to fill acre of land to a depth of 1 ft assuming the hole remained constant in size? (A typical U.S. family of four uses acre-foot of water; 1234 m3,in year:) days'