If the inlet diameter of the holding tank is 35cm and the outlet diameter is 30cm and the diameter of the tank is 20m then is the tank filling or emptying? At what rate is the water level rising or...

Extracted text: If the inlet diameter of the holding tank is 35cm and the outlet diameter is 30cm and the diameter of the tank is 20m then is the tank filling or emptying? At what rate is the water level rising or falling in the tank? 20 m dia water V =0.5mis.. V=0.6 m/s 30 cm dia 35 cm dia Q = 0.00569 m3/s Lowering @ 0.018 mm/s No change of water level. Rising @ 0.018 mm/s