The capacity of a vessel is 5700 cubic meter. The vessel is filled with water. Suppose that it takes 12 hr to drain the vessel. Wht is the mass flow rate ( in kg/s) of water from the vessel? The density of water is 1 g/cubic meter.
Answer is 132 kg/s
Plzzzzzz solve this numerical. I need its solution urgent

density of water is 1000 kg/cubic meter or 1 gm/ cubic cm


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Density of water is 1000 kg/ m³
Volume of water = 5700 m³
Time to get emptied = 12 hours
Volume flow in 1 hour = 5700/12 m³
Volume flow in 1 sec = 5700/(12×3600) m³
density = mass/volume
mass flow in 1 sec = density×volume 
                              = 1000×5700/(12×3600)
                              =131.9 kg ≈ 132 kg
∴mass flow rate = 132 kg/s
1 5 1
Thanks a lot guru
my pleasure
for the correct ans