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A police officer is investigating the scene of an accident where two cars collided at an intersection. One car with a mass of 1015 kg moving west had collided with a 1300-kg car moving north. The two cars, stuck together, skid at an angle of 30° north of west for a distance of 17 m. The coefficient of kinetic friction between the tires and the road is 0.80. The speed limit for each car was 70 km/h.

What was the speed of the lighter car? (km/h)

What was the speed of the heavier car? (km/h)

Was either car speeding?

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