如图4所示,在光滑水平面上有甲、乙两木块,质量分别为m1和m2,中

如图4所示,在光滑水平面上有甲、乙两木块,质量分别为m1和m2,中间用一原长为L、劲度系数为k的轻弹簧连接起来,现用一水平力F向左推木块乙,当两木块一起匀加速运动时,两木块之间的距离是()

答案


B
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