If friction in Problem 13.8 reduced the velocity of the water with respect to the blade from 12.2 m/s to 10.7 m/s, what would be (a) the components of the force exerted by the blade on the water and (b) the final absolute velocity of the water? For a given velocity of jet, determine the conditions that will produce the maximum amount of work (or power) on a series of moving blades (neglecting friction along blades).
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