To get an spaceship into orbit, it has to move about as fast as the speed of sound about as fast as the speed of light about 18,000 miles per hour there is no minimum speed for orbital motion

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!