• 2022-05-26
    质点作周期为T,振幅为A的简谐振动,质点由平衡位置运动到离平衡位[img=14x44]1803df43bdadae7.png[/img] 置处所需最短时间为:
    A: [img=11x44]1803df43c666550.png[/img]
    B: [img=11x44]1803df43ce62ec0.png[/img]
    C: [img=11x44]1803df43d6da21b.png[/img]
    D: [img=18x44]1803df43dfecedf.png[/img]
  • 举一反三