問題詳情
6. 質量3kg的物體在光滑水平面上以8m/s之速度向東作等速度運動，今受向北作用力F=6牛頓，則此物體在3秒末的速度量值為何？
(A) 14
(B) 10
(C) 15
(D) 8
(E) 2 m/s。
(A) 14
(B) 10
(C) 15
(D) 8
(E) 2 m/s。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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