Iwill give 60 points and mark them as brainliest if someone can answer these ! (its science, but there's no subject for it)

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?

Heterogeneous mixture with larger particles that never settle is

When solid surfaces slide over each other the kind of friction that occurs is called friction