When work is done on an object, where does the energy used to do the work go?

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?

Work = force × a. work b. energy c. distance d. momentum

From the perspective of an employee that effective channeling of work related information and concerns