Idk how to delete a question so just ignore this : /

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 is similar between metals and suspensions

As you lift an 88 n box straight upward you produce a power of 72 w. what is the speed of the box?