What would be the area of a side yard that is 20 meters wide by 20 meters long?

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?