The fountain shown is designed to provide a stream of water that rises h=10ft to h=20 ft above the nozzle exit in a periodic fashion. To do this the water from the pool enters a pimp, passes through a pressure regulator and maintains a constant presure ahead of the flow control valve. The valve is electronically adjusted to provide the desired water height. With h=10 ft the loss coefficient of the valve is K(L)= 50. Determine the valve loss coefficient needed for h=20 ft. All losses except for the flow control valve are negligible. The area of the pipe is 5 times the area of the exit nozzle.