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A circular swimming pool has a diameter of 12 m. The circular side of the pool is 4 m high: and the depth of the

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A circular swimming pool has a diameter of 12 m. The circular side of the pool is 4 m high: and the depth of the water is 2.5 m. {The acceleration due to gravity,r is 9.8 Refs: and the density of Iwater is teat] kgij'i How much work {in Joules) is required td: (a) pump all ofthe water over the side?| I [h] pump all efthe water cut of an outlet 1 m cverthe side?|

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