Ameterstick is initially balanced on a fulcrum at its midpoint. you have four identical masses. three of them are placed atop the meterstick at the following locations: 27cm , 38cm , and 99cm .where should the fourth mass be placed in order to balance the meterstick?

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!