A circular swimming pool has a diameter of 18 m. The circular side of the pool ls 4 m high: and the depth of the water is 2.5 m. (The acceleration due to gravity is 9.8 m/s2 and the density or water is 1000 Fag/m3) How much work (in Joules) ls required to: (a) pump all of the water overthe side? C] (b) pump all of the water out of an outlet 1 m over the side? C]