Two speakers create identical 288 hz sound waves. a person is 1.47 m from speaker 1. what is the MINIMUM distance to speaker 2 for there to be CONSTRUCTIVE interference at that spot. (unit: m)

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=