The time period of a satellite revolving in a circular orbit of radius r is T Time period of - Science -

Question

​The time period of a satellite revolving in a circular orbit
of radius r is T Time period of another satellite revolving in the
circular orbit of radius 4r will be

Pintu B. · Accepted Answer

Dear Student ,
As we know that , from the Kepler's third law of planetary motion
,
T2∝R3Now , T12T22=r364r3⇒T2T22=164⇒T22=64T2⇒T2=8T
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​The time period of a satellite revolving in a circular orbit of radius r is T. Time period of another satellite revolving in the circular orbit of radius 4r will be

The time period of a satellite revolving in a circular orbit of radius r is T. Time period of another satellite revolving in the circular orbit of radius 4r will be