A car weighing 5000 lb traveling at 60mph strikes the rear of a 20,000 truck that is stopped but does not have its brakes set. A.) Both vehicles stick together and move in the same direction as the car. At what speed are they moving? B.) The do not stick together. The car moves off to its left by 30 degrees and the truck moves off to the right by 5 degrees. What is the speed of the car and what is the speed of the truck after impact?