Q- A truck was traveling north when, at intersection, collided with a car traveling east. The two vehicles remained joined together after the collision. The skid marks leading from the intersection 20 m at an angle of 30o north of east before stopping. The truck weighed 1200 kg and the car weighed 600 kg. The coefficient of kinetic friction for a rubber tire skidding on dry pavement is 0.80. Find the velocity of the truck and the car before collision.
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