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| 2. A horizontal water jet Q0:998 kg/m3) from a stationary nozzle with velocity V1 :10 m/s is deflected by a hollow cone as shown. Assumeinviscid incompressible flow. (a) Find the hydrodynamic force on the cone when it is stationary(u:0).(b) Find the hydrodynamic force on the cone and the power developed when the cone is moving away from the nozzle at 14:], 2, 3, …, etc.up to 10 m/s. (0) Plot the force and the power as fimctions of u, and conclude atwhich cone velocity is the power a maximum. C0116 90′ |
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