How is a longitudinal wave formed in air? Describe in brief.

What will a positive and a negative charge do if they are separated from each other?

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?

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!