A power plant that uses steam to turn turbines produces 40.0°C hot water. The manufacturer must cool this water before releasing it. So, the manufacturer mixes every 1.00kg of its hot water with 3.00kg of 20.0°C water.

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=