Identify two factors that determine the intensity of sound

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

What will a positive and a negative charge do if they are separated from each other?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)