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4.一輕彈簧靜置於水平桌面上,左端固定,彈簧的右端接有質量為M的物體B,若質量為m的物體A自右方以速率v向左運動,如右圖所示。物體A與物體B碰撞後兩者合為一體,然後才一起壓縮彈簧,彈簧的最大壓縮量為何
問題詳情
4.一輕彈簧靜置於水平桌面上,左端固定,彈簧的右端接有質量為M的物體B,若質量為m的物體A自右方以速率v向左運動,如右圖所示。物體A與物體B碰撞後兩者合為一體,然後才一起壓縮彈簧,彈簧的最大壓縮量為何?
(A)
(B)
(C)
(D)
(E)
參考答案
答案:D
難度:適中0.5
統計:A(1),B(1),C(0),D(2),E(1)
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