Asked by Antony
how much work does it take to pump water from a full upright tank circular cylindrical tank with radius 5m and a height of 10m to a level of 4m above the top of the tank
Answers
Answered by
Sam Winchester
If I'm correct....
You would multiply pi times radius squared times height to get the volume of the cylinder tank.
3.14x25x14=____
3.14x25 is 78.5
And 78.5x14=______
Hope this helps
You would multiply pi times radius squared times height to get the volume of the cylinder tank.
3.14x25x14=____
3.14x25 is 78.5
And 78.5x14=______
Hope this helps
Answered by
Steve
the work is what it takes to move the center of gravity of the water's weight the required height. The center of mass is h/2 meters below the top of the tank, so the distance to be moved is h/2 + 4 meters.
If d is the density of water, in kg/m^3, then mdg is the weight of the mass of water, and the work is
πr^2h * dg * (h/2 + 4)
If d is the density of water, in kg/m^3, then mdg is the weight of the mass of water, and the work is
πr^2h * dg * (h/2 + 4)
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