If you measured the orbital period of the Moon and the distance between the Earth and the Moon then you could calculate:
A) the mass of the Moon
B) the sum of the masses of the Earth and the Moon
C) the average distance between the Earth and Sun
D) the radius of the Earth
E) the radius of the Moon

Question

Quizplus · Accepted Answer

Using Kepler's third law and the gravitational constant, the orbital period and distance can be used to calculate the sum of the masses of the Earth and the Moon.

If You Measured the Orbital Period of the Moon and the Distance