A point source emits sound waves with a power output of 135 watts. What is the sound level (in dB) at a distance of 10 m

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question