An artificial satellite orbiting the earth …
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An artificial satellite orbiting the earth in very thin atmosphere loses its energy gradualydue to dissipation against atmosphere , resistance however small . why then does it speed increases progressively as it comes closer and closer to the earth
Posted by Ashish Sharma 6 years, 10 months ago
- 1 answers
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Gaurav Seth 6 years, 10 months ago
For a satellite orbiting the earth, the necessary centripetal force is applied by gravitational pull.
That is,
Retarding torque is applied by the air friction. Hence, there is a decrease in the angular momentum. Therefore, the speed increases.
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