HELP I WILL GIVE BRAINLIEST PLEASE HELP THIS ASSIGNMENT IS DUE IN 10 MIN!! If a meteorite reaches Earth’s surface and it turns a rusty, reddish-brown color over time. Based on this information, which of the following can be concluded about the physical composition of the asteroid or comet that this meteorite came from?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 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