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Fluid mechanics density problem 
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#1
Sep1809, 03:21 PM

P: 5

1. The problem statement, all variables and given/known data
If the density of iron is 7.8x10^{3}kg/m^{3}, what is the highest possible height of a square based column of sides=40cm and mass of 1,000kg? 2. Relevant equations [tex]\rho[/tex]=m/v Fg=[tex]\rho[/tex]vg (I think?) 3. The attempt at a solution I took the length of the side of the square and used it to find a volume which I got to be .064m^{3}, I'm really not sure where to go from here or if I understand what the question is asking 


#2
Sep1809, 07:48 PM

HW Helper
P: 4,433

Find the area of the base.
Volume of the column = Area* height. Density = mass /volume. 


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