A test particle is moving in circular orbit in the gravitational field produced by a mass density \(\rho \left( r \right) = \frac{K}{{{r^2}}}\). Identify the correct relation between the radius R of the particle's orbit and its period T:

A test particle is moving in circular orbit in the gravitational field

1.	A test particle is moving in circular orbit in the gravitational field produced by a mass density \(\rho \left( r \right) = \frac{K}{{{r^2}}}\). Identify the correct relation between the radius R of the particle's orbit and its period T:
A.	T/R is a constant
B.	T2/R3 is a constant
C.	T/R2 is a constant
D.	TR is a constant
Answer» B. T2/R3 is a constant

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A test particle is moving in circular orbit in the gravitational field produced by a mass density \(\rho \left( r \right) = \frac{K}{{{r^2}}}\). Identify the correct relation between the radius R of the particle's orbit and its period T:

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