Saturday

November 29, 2014

November 29, 2014

Posted by **Chandler** on Tuesday, May 28, 2013 at 8:23pm.

average atmospheric pressure at earth's surface is 1.01 x 10^5 N/m^2. Earth's radius is 6.37 x 10^6m. Show that the total weight of earth's atmosphere is about 5.15 x 10^19 N.

- physics -
**Elena**, Wednesday, May 29, 2013 at 4:46amP=W/A= W/4πr²,

W=4πr²•P=

=4•3.14•(6.37•10⁶)²•1.01•10⁵=5.15•10¹⁹ N

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