A water jet pump has an area A_j= 0.06 ft²and a jet velocity v_j= 90 fps, which entrains a secondary stream of water having a velocity v_s= 10 fps in a constant-area pipe of total area A = 0.6 ft². At section 2, the water is thoroughly mixed. Assuming one dimensional flow and neglecting wall shear a. find the average velocity of mixed flow at section 2; b. find the pressure rise (P₂P₁), assuming the pressure of the jet and secondary stream to be the same at section 1.

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Us A; v2 2)