A net force of 400 Newtons acts on a 50kg mass. What is its acceleration? A 450 m/s/s
B 8 m/s/s
C20,000 m/s/s
D 350 m/s/s
E.125 m/s/s

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!