p01_027.pdf
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Pobierz
Chapter 1 - 1.27
27. We make the assumption that the clouds are directly overhead, so that Figure 1-3 (and the calculations
that accompany it) apply. Following the steps in Sample Problem 1-4, we have
θ
360
◦
=
t
24 h
which, for
t
=38min=38
/
60 h yields
θ
=9
.
5
◦
. We obtain the altitude
h
from the relation
d
2
=
r
2
tan
2
θ
=2
rh
which is discussed in that Sample Problem, where
r
=6
.
37
×
10
6
m is the radius of the earth. Therefore,
h
=8
.
9
×
10
4
m.
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