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ppk ppk
wrote...
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Posts: 3561
12 years ago
A satellite completes one full orbit around Earth. The work performed by Earth's gravitational force on the satellite is
A) always positive.
B) zero J.
C) always negative.
D) positive most of the time.
E) negative most of the time.
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Answer accepted by topic starter
bio_manbio_man
wrote...
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Posts: 33224
12 years ago
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