Underground water is to be pumped by a 75% efficient 6-kw submerged pump to a pool whose free surface is 30 m above the underground water level. the diameter of the pipe is 7 cm on the intake side and 4 cm on the discharge sideose free surface is 30 m above the underground water level. the diameter of the pipe is 7 cm on the intake side and 4 cm on the discharge side. determine (a) the maximum flow rate of water and (b) the pressure difference across the pump. assume the elevation difference between the pump inlet and the outlet and the effect of the kinetic energy correction factors to be negligible.

Rohit is trying to tune an instrument

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?

16. a brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 n on him. the mass of the losing player plus equipment is 90.0 kg, and he is accelerating at 1.20m/s2 size 12{1 "." "20"" m/s" rsup { size 8{2} } } {} backward. (a) what is the force of friction between the losing player’s feet and the grass? (b) what force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg? (c) draw a sketch of the situation showing the system of interest used to solve each part. for this situation, draw a free-body diagram and write the net force equation.