The solar system is about 5 billion years old and completes one orbit around the center of the Milky Way in 240 million years. Therefore, we conclude that the solar system has completed a total of about ___ orbits around the galactic center.

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 equation 2: 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!