a new planet is discovered orbiting a star with a mass 3.5 × 10^31 kg at a distance of 1.2x10^11 m. Assume that the orbit is circular. what is the gravitational acceleration on this new planet?​

An observer that stands still as the electron moves by him, will observe

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.