question_answer

A symmetrical stationary vane experiences a force 'F' of 100 N as shown in the given figure, when the mass of flow rate of water over the vane is 5 kg/s with a velocity ?V? of 20 m/s without friction. The angle \['\alpha '\] of the vane is:            

A) Zero                             

B) \[30{}^\circ \]

C) \[45{}^\circ \]                          

D) \[60{}^\circ \]