Gravitation Question 360

Question: A satellite can be in a geostationary orbit around earth at a distance r from the centre. If the angular velocity of earth about its axis doubles, a satellite can now be in a geostationary orbit around earth if its distance from the centre is

Options:

A) [r2]

B)[r22]

C) [r(4)1/3]

D)[r(2)1/3]

Show Answer

Answer:

Correct Answer: C

Solution:

  • Angular speed of earth = angular speed of geostationary satellite. If [ω] is double, time period become half using [T2r3r=r41/3]


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