本题目来源于试卷: Physics Unit8: Rotational Motion,类别为 国际高中通用物理
[单选题]
A 4.00-m long rod is h8w3f +af/vww ab ubq)7inged at one end. The rod is initi +f5z8xwqs7;wr; punyally held in the horizontal position, and then released as the free end is allo p su8zn 7q5;fx;y+rwwwed to fall. What is the angular acceleration as it is released? (The moment of inertia of a rod about one end is ML2/3.)
A. $2.45 \; rad/s^2$
B. $3.68 \; rad/s^2$
C. $4.90 \; rad/s^2$
D. $6.75 \; rad/s^2$
参考答案: B
本题详细解析:
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