Arope exerts a 280 n force while pulling an 80 kg skier upward along a hill inclined at 12o. the rope pulls parallel to the hill. the coefficient of friction between the skier and the hill is 0.15. if the skier starts from rest, determine her speed after moving 100 m up the slope.

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!