Second Third
H
End
ride
A 650-kilogram roller coaster starts from rest at the top of at the first hill and glides down the track without friction. The
vertical heights of the first second and thirds hills are 90m, 60m and 30m, respectively. Neglect friction and air
resistance.
OG

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!