Help needed Values of the orbital period and the orbital radius of moons orbitin

Question

Help needed

Values of the orbital period and the orbital radius of moons orbiting Saturn. where mE is the mass of the Earth, mM is the mass of the Moon, r is the distance between the Earth and the Moon and G is Newton's universal gravitational constant. Write down an equation for the average density of the Moon, rho M, in terms of its mass, mM, and volume, VM, then rearrange this equation so that mM is the subject. Combine your answer to part (i) with Equation 1 to give an equation for the gravitational force, Fg, in terms of G, mE, rho M, VM and r.

Explanation / Answer

(a) missing values of T^2

Tethys = 3.57

Drone=7.51

Rhea= 20.43

missing values of r^3

13.48

25.67

53.58 respectively

(b)

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