Please help me with my question I will like and mark as brainliest NO LINKS THEY DON'T WORK

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

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?