A satellite is launched into a circular orbit of radius R around earth, while a second satellite is launched…

A satellite is launched into a circular orbit of radius R around earth, while a second satellite is launched into a circular orbit of radius 1.02 R. The percentage difference in the time periods of the two satellites is:
  1. 1.5
  2. 2.0
  3. 0.7
  4. 3.0

Solution

T2R3

T=kR3/2

dTT=32dRR

=32×0.02=0.03

%Change =3%

Asked in: JEE Main 2021 (20 Jul Shift 2)

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