A ball of lead of mass 0.3 kg drops from a height of 0.96 m, hits the oor, and remains there at rest. Assume that all the heat generated during the impact remains within the lead. (a) What are the values of the following quantities for the lead during this process? Heat generated during the process [2: x J Work done on the ball W: |:| X J Internal energy of the ball AE: J J (b) What is the increase of temperature of the lead? 0.012 Dc