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Physics
Physics
Problem
A satellite in a
300
km
300\,\text{km}
300
km
low-Earth circular orbit moves with speed
v
LEO
v_{\text{LEO}}
v
LEO
, while a geostationary satellite moves with speed
v
GEO
v_{\text{GEO}}
v
GEO
. Using
R
⊕
=
6.4
×
10
6
m
R_{\oplus}=6.4\times10^{6}\,\text{m}
R
⊕
=
6.4
×
1
0
6
m
, the ratio
v
LEO
/
v
GEO
v_{\text{LEO}}/v_{\text{GEO}}
v
LEO
/
v
GEO
is nearest to a)
1.7
1.7
1.7
b)
4.0
4.0
4.0
c)
2.3
2.3
2.3
d)
2.5
2.5
2.5
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