a storage tower of height 30 m and diameter 3 m supplies water to a home. the horizontal pipe at the base of the tower has a diameter of 1 inch which delivers water at a rate of 180 liters per minute. a smaller pipe of diameter 0.5 inches supplies the third floor of the house at a distance 7 m above ground. what is the water pressure on this pipe? neglect the viscosity of the water.