物理 - 2026 进行中

科目: 物理
级别: XII
类别: 大学生
测试题目: 英语
问题示例: A particle of mass m moves in one dimension under a potential U(x)=αx⁴, where α>0. Which statement about the corresponding classical period for oscillations of amplitude A is correct? It is proportional to 1/A, It is independent of A, It is proportional to A², It is proportional to √A