The Pelton wheel in Figure 2 has a pitch-circle diameter of 1.5 m and runs at 500 rpm. The buckets deflect the jet through 165° (outlet at 15°, as in the bucket sketch); neglect bucket friction. Using the head, flow and nozzle data on the figure, determine (a) the power developed by the runner (answer in kW) and (b) the hydraulic efficiency based on the net head, η_{h} = P/(ρgQH) (answer in %).