The temperature of an ideal gas in a sealed rigid 0.20-m3 container is reduced from 360 k to270 k, and the final pressure of the gas is 40 kpa. how much work is done by the gas during thisprocess

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.