Calculate the flow velocity and the pressure in such a pipe

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Q1. If John Glenn weighed 640 N on Earth's surface, a) how much would he have weighed if his Mercury spacecraft had (hypothetically) remained at twice the distance from centre of Earth? b) Why is it said that an astronaut is never truly "weightles".

Q2. Water at a pressure of 3.8 atm at street level flows into an office building at the speed of 0.80 m/s through a pipe 5.4 cm in diameter. The pipes taper down to 2.60 cm in diameter by the top floor, 20 m .Calculate the flow velocity and the pressure in such a pipe on the top floor. Ignore viscosity. Pressures are gauge pressures.

Reference no: EM1310281

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