Question

A satellite is launched into a circular orbit of radius R around the earth. A second satellite is launched into an orbit of radius `(1.01)` R. The period of the second satellite is larger than the first one by approximately
A. `0.7%`
B. `1.0%`
C. `1.5%`
D. `3.0%`

Answer 1

Correct Answer - c
`(DeltaT)/(T)=(3)/(2)(Deltar)/(r)=(3)/(2)xx1%=1.5%.`