Water enters a motor through a 500-mm-diameter pipe under a pressure of 15 kPa. It leaves through a 800-mm-diameter exhaust pipe with a pressure of 5 kPa. A vertical distance of 3 m separates the centers of the two pipes at the sections where the pressures are measured. If 600 liters of water pass the motor each second, compute the horsepower supplied to the motor.

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