a pipe with cross-sectional area 2m^2 runs horizontally across a platform at a height of 4 m. It connects via a vertical segment to a second pipe of area 0.5 m^2 running horizontally across the ground. The water in the first pipe is under a pressure of 1000 Pa, and is moving at 1 m/s. The density of water is 1000 kg/m^3.
a. What is the speed of water in the second pipe?
b. What is the pressure of water in the second pipe?
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