For the pipe contraction shown below, the larger diameter is 3 cm and the smaller diameter is 4 cm. if the incoming velocity is 3 m/s, evaluate the horizontal force on the bolts holding the pipe in place and the manometer reading (h). the density of mercury is 13550 kg/m3.

answer: 500 wph.

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answer:

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an electrode is a metal whose surface serves as the location where oxidation-reduction equilibrium is established between the metal and what is in the solution.