Which of following statements is true? a) in a radio, sound energy is transformed into electricity energy. b) in a microwave oven, electricity is transformed into chemical energy. c) in a hair dryer, electrical energy is transformed into light and heat. d) in a computer, electrical energy is transformed into sound, light, and heat.

IS THE ANSWER

The answer is definitely D

volts times amps 6 x 0.5 3w

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