問題詳情
4. A rod of length L and mass M is placed along the x-axis with one end at the origin, as shown in the figure below. The rod has linear mass density 
, where x is the distance from the origin. Which of the following gives the x-coordinate of the rod’s center of mass? 
(A) 
(B) 
(C) 
(D) 
(E) 
參考答案
無參考答案
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