Question

The time period of a satellite in a circular orbit of radius R is T. The period of another satellite in a circular orbit of radius 4R is?

Answer 1

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Answer 2

from ceplar we know that

T^2 directly proportional to R^3

Now taking ratio the directly proportional sign as well as constant part removed

(T1/T2)^2 = (R/4R)^3

(T1/T2)^2= 1/64

T1/T2 = 1/8

T2/T1= 8

T2 = 8T1

hope help you :-)