8. Centripetal Forces & Gravitation
Energy of Circular Orbits
Multiple Choice
Multiple Choicea) How much work do you have to do on a 100-kg payload to move it from Earth's surface to a height of 1000 km?
b) How much additional work must you do to put this payload into orbit at this altitude?
A
(a) WAB=3.37×108 J;
(b) J
B
(a) WAB=8.48×108 J;
(b) J
C
(a) WAB=3.37×108 J;
(b) J
D
(a) WAB=8.48×108 J;
(b) WBC=8.1×109 J
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