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两形状和大小都相同的匀质铁圆盘blobpng和木圆盘blobpng,若两盘对通过盘心且垂直盘面的轴的转动惯量各为JA和JB,则______。 (20)

单选题
2021-09-08 14:13
A、JA>JB
B、JA=JB
C、JA<JB
D、不能确定
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正确答案
A

试题解析

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