Think of our milky way galaxy as a flat disk of diameter 100,000 light-years. suppose we are one of 1000 civilizations, randomly distributed through the disk, interested in communicating via radio waves. how far away would the nearest such civilization be from us (on average)?

Since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of "if…then…because…” when writing your hypothesis.

Un jugador de beisbol batea un foul recto en el aire. la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is