Question
Imagine a light planet revolving around a very massive star in a circular orbit of radius R with a period of revolution T. If the gravitational force of attraction between planet and star is proportional to R−52, then T2 is proportional to
Answer: Option B
:
B
For revolution of planet centripetal force is provided by gravitational force of attraction
mω2R∝R−52⇒1T2∝R72
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:
B
For revolution of planet centripetal force is provided by gravitational force of attraction
mω2R∝R−52⇒1T2∝R72
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