¿(a) What is the minimum pressure at which the water must be pumped if it is to arrive at the village?
Water is pumped up from the Colorado River to supply Grand Canyon Village, located on the rim of the canyon. The river is at an elevation of 564 m, and the village is at an elevation of 2,095 m. Imagine that the water is pumped through a single long pipe 14.0 cm in diameter, driven by a single pump at the bottom end.
(a) What is the minimum pressure at which the water must be pumped if it is to arrive at the village?
(b) If 4,900 m3 of water is pumped per day, what is the speed of the water in the pipe? Note: Assume the free-fall acceleration and the density of air are constant over this range of elevations. The pressures you calculate are too high for an ordinary pipe. The water is actually lifted in stages by several pumps through shorter pipes.
- Anónimohace 9 meses
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