物理 - 2026 进行中

科目: 物理
级别: V
类别: 大学生
测试题目: 英语
问题示例: A particle moves in a circle of radius 2.0 m with a constant speed of 6.0 m/s. What is the magnitude of its centripetal acceleration? 3.0 m/s², 12 m/s², 18 m/s², 36 m/s²