“我在12月份要完成阅读《拆掉思维里的墙》”,这个目标符合了“具体的、可度量的、有时限性”的特点。
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Directions: You are going to read a passage with 10 statements attached to it. Each statement contains information given in one of the paragraphs. Identify the paragraph from which the information is derived. You may choose a paragraph more than once. Each paragraph is marked with a letter.Degrees are great, but internships make a difference
均匀圆环的质量为m,半径为r,其对过环心且垂直于环面的轴的转动惯量为____。
A. mr2
B. mr2/2
刚体的转动惯量与( )有关。
A. 质量分布
B. 转轴位置
C. 刚体的质量
角加速度的方向与角速度方向始终是一致的。
A. 对
B. 错