check this, i can't figure it out. A water pipe goes doewn a hill. the level of the pipe at the bottom of the hill is 23 m below the level of the pipe at the top. the diameter of the pipe is 2.7 cm at both ends. water is flowing through the pipe. at the top of the hill, the velocity of the water is 2.41 m/s, and it's guage pressure is 58.3 psi. find the flow rate of the water through the pipe in L/s. can anyone help?