JAMB - Physics (2003 - No. 10)
A satellite is in a parking orbit if its period is
less than the period of the earth
more than the period of the earth
equal to the period of the earth
the square of the period of the earth
解释
A satellite is said to be in a parking orbit if its period is exactly equal to the period of the earth as it turns its own orbit;. which is about 24hrs