The water in a 8-m-diameter, 3-m-high aboveground swimming pool is to be emptied by unplugging a 3-cm- diameter, 25-m-long horizontal pipe attached to the bottom of the pool. Determine the maximum discharge rate of water through the pipe. Also, explain why the actual flow rate will be less.
The schematic diagram for the problem is given below.
Both the ends are open to the atmosphere so, that the pressure will be same.
On the surface of the pool, the velocity is very less that it can be approximated to zero.
This means, .