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A pipe which deliver water attaches to a wall of the house. The comparison of large pipe cross-sectional area and a small pipe is 4: 1. Moreover, a large pipe is 5 m above ground and a small pipe 1 m above the ground. The speed of flow in large pipes is 36 km / h with a pressure of 9.1 x 10^5 Pa. what is the pressure of the small pipe?

Note by Timothy Hosea
3 weeks, 1 day ago

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