Apoorly constructed room is suffering from a pipe leakage problem. the leaked pipes are continuously flooding the 90-m2 room such that the water level in the room increases at a steady rate of 1.2 cm/hr (a) how much water in l/min should be pumped out of the room to keep the water level cnstat (b) how much water in l/min should be pumped out of the room to reduce the water level by 4 cm/hr?

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=