(See Fluids in the News article titled "Where the plume goes".) Air flows into the jet engine shown in the figure below at a rate of 9 slugs/s and a speed V₁ of 305 ft/s. Upon landing, the engine exhaust exits through the reverse thrust mechanism with a speed V₂ = V3 of 833 ft/s in the direction indicated. Determine the reverse thrust applied by the engine to the airplane. Assume that the inlet and exit pressures are atmospheric and that the mass flowrate of fuel is negligible compared to the air flowrate through the engine. Assume = 26° Fx= i lb 4-ft diameter (1) V₁ (3)

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A: I hope this is helpful.

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Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?