What do you think happens to the total amount of kinetic and gravitational energy that the roller coaster train has from the start to the end of the ride? Does it increase, decrease, or stay the same? Explain your answer.

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!