32.
REASONING AND SOLUTION
The period of rotation is given by
T
2
=
4
π
2
r
3
/
GM
. Comparing the orbital periods for Earth and Venus yields
(
T
V
/
T
E
)
2
= (
r
V
/
r
E
)
3
so that
T
V
/
T
E
= 0.611
The earth's orbital period is 365 days so
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This note was uploaded on 01/29/2010 for the course CALC 01:640:135 taught by Professor Soffer during the Spring '08 term at Rutgers.
 Spring '08
 SOFFER

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