Water exits a pipe from a series of holes drilled into the side, Figure P11.12. The pressure at the inlet section is \(35 \mathrm{kPa}\) (gauge). Calculate the volumetric flow rate at the inlet section and the forces required at the coupling to hold the spray pipe in place. The pipe and water it contains weighs \(5 \mathrm{~kg}\).

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FIGURE P11.12 V = 8 m/s D= 175 mm d = 15 mm V = 10 m/s