What is the electric potential of a 4.5 × 10-5 c charge that has an electric potential energy of 0.027 j?

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?

Is the time in tennessee the same as florida

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.