問題詳情
6. （ ）真空玻璃管內放入銅幣及一片羽毛，將它迅速倒轉，如下圖，兩者從管頂同時落至管底。這現象顯示出，在管內的銅幣及羽毛 
(A)重量相同
(B)均作速度不變的等速度運動
(C)加速度相同
(D)沒有重量。
(A)重量相同
(B)均作速度不變的等速度運動
(C)加速度相同
(D)沒有重量。
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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