What is the pressure difference between the stations , Mechanical Engineering

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(Bernoulli equation along a streamline) Water flows from station (1) to (2) around an expanding corner pipe, 3m high. The speed along the center streamline is 10 m/s at (1) and 5 m/s at (2).

a)What is the pressure difference between the stations (and which is higher)?

b)List all key assumptions inherent in your analysis.

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