At sea level, the weight of 1 cm2 of air is
approximately 1 kilogram. This value, 1kg/ cm2 is also known as the atmospheric pressure. For this analysis, we will assume a
featureless Earth without continents.
This will simplify but not significantly alters your calculations.
How much does the atmosphere weigh over each square meter of
surface? Express this in tonnes (units
of 1000 kg). Recall the conversion
factors: 104 cm2 =
1m2, 1 tonne = 1000 kg = 106 g.
May 4th, 2015
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