How much will the intensity of the sound differ when you move 12 meters away from a speaker meters away before you move?

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

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current