試題詳解

56. A geosynchronous satellite is one that stays above the same point on the Earth's equator. Which of the following values is closest to the satellite's distance (km) from the Earth's center?
(A)3✖10³
(B)7✖10³
(C)1✖10⁴
(D)4✖10⁴
(E)1✖10⁵