A 600-kg car headed north and an 800-kg car headed west collide at an intersection. After the collision, the 600-kg car is skidding at a speed of 22 m/s at a direction of 25º north of west. The 800 kg car is going 34 m/s at a direction of 32º west of north. a. What were the initial speeds of the cars? b. What was the change in energy of the system due to the collision?

A 600-kg car headed north and an 800-kg car headed west collide at an intersection. After the collision, the 600-kg car is skidding at a speed of 22 m/s at a direction of 25º north of west. The 800 kg car is going 34 m/s at a direction of 32º west of north. a. What were the initial speeds of the cars? b. What was the change in energy of the system due to the collision?

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