Carlos wanted to know how positive and negative charges affect balloons. The
balloons shown below are part of his
investigation.

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?

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =