5. the volume of physical activity attained by an individual who exercises at a level of 7 mets for 35 min · day-1, 4 days · wk-1 would be equal to met-min per week.
a. 140
b. 280
c. 560
d. 980

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 equation2: 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!