A race car travels 40 m/s around a banked (45° with the horizontal) circular (radius = 0.20 km) track. What is the magnitude of the resultant force on the 80-kg driver of this car?
A. 0.68 kN
B. 0.64 kN
C. 0.72 kN
D. 0.76 kN
E. 0.52 kN
Answer: B
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