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Balbeer M.
's Polls
Physics
A satellite in vacuum -
Is kept in orbit by remote control
0 votes (0%)
Is kept in orbit by remote control
Is kept in orbit by retro-rocket
0 votes (0%)
Is kept in orbit by retro-rocket
Derives energy from gravitational field
0 votes (0%)
Derives energy from gravitational field
Does not require any energy for orbiting
1 vote (100%)
Does not require any energy for orbiting
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