At one point in a pipeline the waters speed is 3 ms and the, Ask an Expert

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Q. At one point in a pipeline, the water's speed is 3.00m/s and the gauge pressure is 4.00×10^4 Pa. Find the gauge pressure at a second point in the line 11.0m lower than the first if the pipe diameter at the second point is twice that at the first.

Q. Two pellets, each with charge 3 microcoulomb (1 microcoulomb = 0.000001 coulombs), are located 0.5 m appart. What is the electrical force between the charges?

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