Radiation can supplement the energy needs of a home's water heater. These systems can be as simple as running the water through black PVC pipes on the roof of the house. Efficiency of 50% in collecting radiation is an ambitious goal, but not impossible. Assume the average solar- energy input is 210 W/m2 and the area of your solar collector is 30.0 m2. Find what volume of water can be heated per hour from a temperature of 16.0oC to a temperature 61.0oC.