Which statement best describes the relationship between work, efficiency, and entropy? A) When work is converted to energy, the entropy is limited by the efficiency of the system.

B) When entropy is converted to work, the energy is limited by the efficiency of the system.

C) When energy is converted to work, the efficiency is limited by the entropy in the system.

D) When work is converted to entropy, the efficiency is limited by the energy in the system.

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me