Water passes through a centrifugal pump impeller of 0.6 m outlet diameter and 0.4 m inlet diameter. the impeller is ro with respect to the tangential direction. the fluid enters radially with velocity of flow of 10 m/s and there is a constant radial flow through the device. the ideal head imparted to the fluid (in m) is a)-8.78 b)-3.34 c)-27.44 d)-5.28

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.