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Answer to Question #65667 in Mechanics | Relativity for Boshra

Question #65667
Antarctica is roughly semicircular, with a radius of 2.00­103 km (see the figure). The average thickness of its ice cover is 3.00­103 m. How many cubic centimeters of ice does Antarctica contain? (Ignore the curvature of Earth.)
Expert's answer
r=2.00∙〖10〗^3 km=2.00∙〖10〗^8 cm
d=3.00∙〖10〗^3 m=3.00∙〖10〗^5 cm
The volume is
V=(πr^2)/2 d=(π(2.00∙〖10〗^8 )^2)/2 (3.00∙〖10〗^5 )=1.88∙〖10〗^22 cm^3.

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