Fluid Mechanics The three-arm lawn sprinkler shown in the figure receives water through the center. if the torque due to collar friction is 0.9 N-m, determine the minimun flow rate of the water (in...

Fluid Mechanics

The three-arm lawn sprinkler shown in the figure receives water through the center. if the torque due to collar friction is 0.9 N-m, determine the minimun flow rate of the water (in m^3/h) required to overcome this torque and spin the sprinkler.

Extracted text: e- 90 R=15 cm d=7 mm