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6. Water is used to circulate heat through a house. The water starts in the basement...

6. Water is used to circulate heat through a house. The water starts in the basement with a speed of 0.8 m/s in a pipe and a pressure of 3.46 atm. The pipe goes up 6 m to the top floor with a new pressure of 2.78 atm and new diameter of 2.5 cm in diameter. Find the new water speed in the second part of the pipe and the initial diameter of the pipe

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