Topic: Center of mass and rotation

A 1200 kg car is traveling east at 60 km/h when it collides at an intersection with a 3000 kg truck traveling north at 40 km/h. The car and the truck. They fit together as a single body as a result of the collision. (i) Calculate the velocity of the center of mass before the collision. (ii) Determine the speed of the car-truck combination after the collision.

Answer: (17.14; 28.57) Km/h both i-ii.