交通工具 - 2026 进行中

科目: 交通工具
级别: IX
类别: 大学生
测试题目: 英语
问题示例: A 1,500 kg vehicle is decelerated at a constant rate of 4 m/s² on a level road. Ignoring aerodynamic resistance, what braking force is required? 375 N, 1,875 N, 3,000 N, 6,000 N