There is very high humidity in your area and a cold front moving in. what would be your forecast?

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

Name two kinds of practical electric pumps.

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=