Q. A mass of 0.2kg is rotated by a string at a constant speed in a vertical circle
of radius 1m. if the minimum tension in the string is 3N. calculate the magnitude of speed and the maximum tension in the string

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!