The radial component of velocity of water leaving the centrifugal pump sketched in Fig. P12.7 is \(45 \mathrm{ft} / \mathrm{s}\). The magnitude of the absolute velocity at the pump exit is \(90 \mathrm{ft} / \mathrm{s}\). The fluid enters the pump rotor radially. Calculate the shaft work required per unit mass flowing through the pump.

Figure P12.7

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V2=45 ft/s V2=90 ft/s 0.5 ft +0.2 ft 3000 rpm