You are doing an experiment to determine how many passengers would fit into a full-sized plane. if a scale model plane has space for 87 scaled down passengers, how many would fit into the actual plane?

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