A 750kg car is traveling north through an intersection at 5m/s when it is T-boned by a 1200kg truck initially traveling east at 3m/s. Immediately following the collision, the two vehicles are stuck together and travel as one. A. What is the velocity of the vehicles after the collision? B. What is the speed of the vehicles after the collision? C. Is the collision an elastic or inelastic collision? Show your work using energy. D. What percent of the initial kinetic energy is wasted in the collision