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A cyclist can descend a slope of 7.0 degrees with a constant speed of 9.5 km/h (terminal speed). If the resistance force R is proporcional

A cyclist can descend a slope of 7.0 degrees with a constant speed of 9.5 km/h (terminal speed). If the resistance force R is proporcional to the square of the speed so much so R = -cv2, calculate the value of c. The total mass of the cyclist plus the bicycle is 80.0kg.

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