A lawn sprinkler with three identical arms is used to water a garden by rotating in a horizontal plane by the impulse caused by water flow. Water enters the sprinkler along the axis of rotation at a rate of 40 L/s and leaves the 1,2-cm-diameter nozzles in the tangential direction. The bearing applies a retarding torque of T0 = 50 N • m due to friction at the anticipated operating speeds. For a normal distance of 40 cm between the axis of rotation and the center ot the nozzies, determine the angular velocity of the sprinkler shaft.
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