A curve on the Hume highway has a radius of 0.14 km and is unbanked. A car weighing 12 kN goes around the curve at a speed of 24 m/s without slipping. What is the magnitude of the horizontal force of the road on the car? O a. 5.0 kN b. 17 kN O c. 12 kN O d. 13 kN e. 49 kN

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