本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics
[单选题]
A 4.00-m long rod is ) rdx*+ hwjbu,h 2o +i7;.+-ubtb p9wkwnfhhl-1pct duinged at one end. The rod is initially held in the horizontal position, and then released as the free end is allowed to fall. What is the angular acceleration as it is relekb+licwfuut71p p .9- dho;-bn2+h tw ased? (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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Post time 2024-1-22 02:51:16