問題詳情
3.質量爲100g的物塊繫於彈力常數爲k = 40 N/m的彈簧一端。物塊在動摩擦係數 μk= 0.1的水平面上滑行。彈黃被拉長5 cm後放開。
(a)求彈簧一直被壓縮到3 cm時’彈簧 (力)對物塊所作的功爲__________。
(a)求彈簧一直被壓縮到3 cm時’彈簧 (力)對物塊所作的功爲__________。
參考答案
答案：D
難度：簡單0.851711
統計：A(332),B(176),C(77),D(3360),E(0) #
個人：尚未作答書單：關於試題:53共有人甲對其他共有人提起分割共有物之訴，此為何種訴訟？
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