Questions
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 , then is proportional to
detailed solution
Correct option is B
For revolution of planet centripetal force is provided by gravitational force of attraction mω2R∝R−5/2⇒1T2∝R−7/2⇒T2∝R7/2Talk to our academic expert!
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