Recent content by Poppinkrey

Got it, thanks!

Let's say that the Moon has a mass of 7.4 x 10^22 kg. What's the force that the Earth, and the Sun exerts on the Moon?

I believe this requires kepler's 3rd law (where the common focus is in the distant planet).

I got to find an answer or a push to the right tracks on this question. Suppose a spacecraft is in a circular orbit about a distant planet. the spacecraft emits a continuous radio signal with a wavelength of 6m. The signal's wavelength varies between 5.99969m and 6.00031m; the period of...