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Estimating the "total weight" of the atmosphere !

Estimate the "total weight" of the atmosphere, using your knowledge of barometers and given the radius of the earth.

I believe the answer is 5.2 x 10^19 N. I need to see each step and formula to solve this question. Please assume I know nothing because this would be the correct assumption. :)

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Atmospheric Pressure is simply the total weight per unit area of the fluid above (weight = mass times g)

Thus the mass per unit area of the ...

Solution Summary

solution shows the concepts behind the question along with all mathematical steps.