2. (5 points) A 1 meter spring requires 10J to stretch the spring to 1.1 meters. How much work would it take to stretch the spring from 1 m to 1.2 m? EXTRA CREDIT: (5 points) How much work is required to pump all the water out of a rectangular swimming pool if the area of the base is 800 ftz, the water is 4- feet deep, and the top is 1 foot above the water level? Assume that the density of water is 62 113/ f t3