Posted by Rachel on Sunday, February 24, 2008 at 5:57pm.
You need to know the density of outside air to do this. Assume 1 atmosphere and 20 C and see what you get. The density under those conditions is about 1.19 kg/m^3, but it also depends somewhat upon the humidity
The weight of the displaced air is
(1.19) g V = 20,000 N
g is the acceleration of gravity, 9.8 m/s^2.
V = ?
The answer will not be exactly 1700 m^3, but is pretty close. Since they did not specify the air temperature, an exact answer cannot be expected.
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