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प्रश्न
How is a satellite maintained in nearly circular orbit?
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उत्तर
Artificial satellites are made to revolve in an orbit at a height of few hundred kilometres. At this altitude, the friction due to air is negligible. The satellite is carried by a rocket to the desired height and released horizontally with a high velocity, so that it remains moving in a nearly circular orbit.
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संबंधित प्रश्न
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