1. Convert the following as suggested: a. 75.0 mph to m/s
b. 400.0 square mm to square m
c. 200.0 L to cubic meter
d. 25.0 m/s to mph

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!