A spherically symmetric gravitational system of particles has a mass density ρ =ρ0 for r ≤ R ; ρ = 0 for r > R 

Q: A spherically symmetric gravitational system of particles has a mass density

ρ =ρ0 for r ≤ R

ρ = 0 for r > R

Where ρ0 is a constant. A test mass can undergo circular motion under the influence of the gravitational field of particles. Its speed V as a function of distance r (0 < r <∞) from the centre of the system is represented b

Numerical

Ans: (c)