Which of the following is NOT a defining feature of mountains? Significant height above sea level
Prominence (the fact or condition of standing out from something by physically projecting or being particularly noticeable.)
Steepness
Cold weather

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=