Q3. A car has a 750-kg body, four 20-kg wheels, and a 70-kg driver. The wheels are 1 m in diameter and have a radius of gyration k = 0.5 m. What will be the speed of the car if it moves from rest down a 30° plane for a distance of 98 m? Neglect any drag. (g = 10 m/s²)
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