A moon of mass m and radius a is orbiting a planet of mass m and of radius b at a distance d (center-to-center) in a circular orbit.

How did different parts of the united states feel about slavery

What are the two main purposes of edgar allen poe’s, “the masque of the red death? ”

Dan runs a busy desktop-publishing company. his company want to increase its exposure, so it runs a new a new promotion each week. the tool dan most likely choses to publicize this is a promotion is a