A single-engine helicopter has two rotors; a main rotor and a tail rotor. The main rotor has a diameter of 14.6 m and rotates at the rate of 480 rev/min while the tail rotor with a diameter of 1.84 m rotates at 3875 rev/min. What are the speeds, in m/s, of the tips of each rotor

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!