PLS hurry 5 min left Based on what you know about components of the Universe, how would you explain the difference between galaxies and solar systems to someone who knew nothing about space?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

A( developed during the process of technology design

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?