A nozzle for a spray system is designed to produce a flat radial sheet of water. The sheet leaves the nozzle at \(V_{2}=10 \mathrm{~m} / \mathrm{s}\), covers \(180^{\circ}\) of arc, and has thickness \(t=1.5 \mathrm{~mm}\). The nozzle discharge radius is \(R=50 \mathrm{~mm}\). The water supply pipe is \(35 \mathrm{~mm}\) in diameter and the inlet pressure is \(p_{1}=150 \mathrm{kPa}\) absolute. Evaluate the axial force exerted by the spray nozzle on the coupling.

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Water P1 R + Thickness, 1 P4.85