The mechanical energy of only the car is constant and the mechanical energy of only the car-Earth system is decreasing. The car is traveling on a road and the driver is pressing on that is what the gas the brancher pece Complete the bar charts to show the energy of the car-gas-earth system for this scenario. Chem Kin. G. Pot. Chem Therm Kin G. Pot Therm Explain how you formulated your answers.