单选题:如图4所示,长为1的***置,然后任其***力加速为g,则棒转动到竖***速度B和角速度W 大小分别是( )。

  • 题目分类:初中物理
  • 题目类型:单选题
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题目内容:
如图4所示,长为1的***置,然后任其***力加速为g,则棒转动到竖***速度B和角速度W 大小分别是( )。

A.A
B.B
C.C
D.D
参考答案:
答案解析:

男,4 个月。人工喂养,未添加辅食,两周来轻咳,流涕,伴低热,今晨抽搐 4 次,每次持续约 2min,缓解后玩耍如常。为

男,4 个月。人工喂养,未添加辅食,两周来轻咳,流涕,伴低热,今晨抽搐 4 次,每次持续约 2min,缓解后玩耍如常。为确诊最有价值的化验检查是A.心电图 B

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