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For a satellite to orbit Earth at a constant distance, its centripetal acceleration
must be equal to Earth's gravitational acceleration. If a satellite is to orbit with
a constant circular radius of 8,000,000 m, what is the approximate required
velocity of the satellite? (Recall that Earth has a mass of 5.97 x 1024 kg and G
= 6.67 x 10-11 N-m²/kg².)
OA. 7055 m/s
OB. 10,628 m/s
C. 9840 m/s
OD. 8023 m/s
Sagot :
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