(a) In a crash test, two sports cars travel directly toward each other, each moving at a speed of 25.0 m/s. They collide head-on and stick together. Both have a mass of 1.80 x 103 kg. The air surrounding the two cars has a temperature of 25C. What is the change in entropy (in J/K) of the air surrounding the two cars as a result of the collision? (Ignore any energy carried away from the collision by sound. Assume the time it takes for the internal energy to dissipate as heat is negligible.) J/K (b) What If? A car with the same mass and moving with the same speed as above collides head-on with a large truck, also moving at the same speed, but with a mass of 6.84 x 103 kg. The two vehicles stick together after the collision. What is the change in entropy (in J/K) of the surrounding air immediately after the collision? J/K (c) For the collision in part (b), what is the change in entropy (in J/K) of the surrounding air from the point just after the collision to the point where the combined wreckage skids to a stop? J/K