PhysicsMedium159×since 2002Q7182A test particle is moving in a circular orbit in the gravitational field produced by a mass density ρ(r)=Kr2\rho (r) = {K \over {{r^2}}}ρ(r)=r2K . Identify the correct relation between the radius R of the particle's orbit and its period TAT²/R³ is a constantBTR is a constantCT/R² is a constantDT/R is a constantCheck answerSkip