Two speakers are positioned in such a way that, while each os producing sound, and observer nearby cannot hear any sounds. this shows that the speakers are creating a. constructive interference b. destructive interference c. vibrations d. oscillations

=force × distance a. work b. velocity c. pressure d. momentum

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!

Why is the use of carbon-14 limited