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A circular swimming pool has a diameter of 16 m. The circular side of the pool is 3 m high, and the depth of the

A circular swimming pool has a diameter of 16 m. The circular side of the pool is 3 m high, and the depth of the water is 2.5 m.

(The acceleration due to gravity is 9.8m/s^2and the density of water is 1000kg/m^3.)

How much work (in Joules) is required to:

(a) pump all of the water over the side?

(b) pump all of the water out of an outlet 1 m over the side?

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