The following three forces act on a single small mass: 50.0 N 30° south of east, 100 N 45° south of west, and 100 N 45° west of north. Using graphical methods, calculate the resultant and equilibrant of these vectors.

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •  

Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2

The flow of electrons from one atom to another is called