• 2022-06-03
    一粒子的质量为[img=35x22]1803ac191f7ac43.png[/img]kg,,若该粒子以0.6c速度运动,则此时粒子的动能为:
    A: 2.25[img=14x19]1803ac192731467.png[/img][img=32x22]1803ac192f5921f.png[/img]J
    B: 9.0[img=14x19]1803ac19373682c.png[/img][img=32x22]1803ac193fddd8c.png[/img]J
    C: 11.25[img=14x19]1803ac194861611.png[/img][img=32x22]1803ac1951fc48b.png[/img]J
    D: 13.5[img=14x19]1803ac195aefcb1.png[/img][img=32x22]1803ac196325185.png[/img]J
  • 举一反三