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5. Various geometric formulas are given in Appendix E.
(a) Expressing the radius of the Earth as
()
63
3
6.37
10 m 10 km m
6.37
10 km,
R
−
=×
=
×
its circumference is
34
2
2 (6.37
10 km)
4.00 10 km.
sR
ππ
==
×
=
×
(b) The surface area of Earth is
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This note was uploaded on 09/03/2009 for the course PHYS 1200 taught by Professor Stoler during the Spring '06 term at Rensselaer Polytechnic Institute.
 Spring '06
 Stoler
 Physics

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