Gravitation Question 256

Question: If Gravitational constant is decreasing in time, what will remain unchanged in case of a satellite orbiting around earth [DCE 1999, 2001]

Options:

A) Time period

B) Orbiting radius

C) Tangential velocity

D) Angular velocity

Show Answer

Answer:

Correct Answer: C

Solution:

$ [T^{2}=\frac{4{{\pi }^{2}}}{GM}r^{3}] $ .

If G is variable then time period, angular velocity and orbital radius also changes accordingly.



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