Question: A fireman on a ladder 80 ft above ground should be able to spray water an additional 30 ft up with the hose nozzle of

A fireman on a ladder 80 ft above ground should be able to spray water an additional 30 ft up with the hose nozzle of exit diameter 1 in. Assume a water pump on the ground and a reversible flow (hose, nozzle included) and find the minimum required power.

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