Multiple Choice
The Early Bird communication satellite hovers over the same point on Earth's equator indefinitely, because
A) other forces than Earth's gravity act on it.
B) it pulls as hard on Earth as Earth pulls on it.
C) it is beyond the main pull of Earth gravity.
D) it is kept aloft by ground control.
E) its orbital period is 24 hours.
Correct Answer:
Verified
Correct Answer:
Verified
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