• 2022-06-27 问题

    一维谐振子的哈密顿算符为 。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/ffe1f4b5eedc462dadafc20bd0daf952.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/824bfe9bd226469ba486d5145a62fde4.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/c2e73fa49ffd40b38a9fa2c0d0f67f4d.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/4364f1f77f4a404ba32a149b075751c9.png" />

    一维谐振子的哈密顿算符为 。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/ffe1f4b5eedc462dadafc20bd0daf952.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/824bfe9bd226469ba486d5145a62fde4.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/c2e73fa49ffd40b38a9fa2c0d0f67f4d.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/4364f1f77f4a404ba32a149b075751c9.png" />

  • 2022-05-30 问题

    一质点在平面上作一般曲线运动,其瞬时速度为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/cd2c54e096b2475db8bcecd84e554eb0.png" />,瞬时速率为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/359eb2c648264727bd0a2bc72d54b233.png" />,某一时间内的平均速度为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/32268b5fc5bc43619f3bb1de9c43715b.png" />,平均速率为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/99f1a21b975449648922aab0accdc025.png" />,它们之间的关系必定有( )。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/27daf7237fe740349eb8756c75d23df6.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/f2f418f88e564f8c9d46babbe9bc612b.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/5d84042638794095a9b9e7760b0cbb53.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/cd811196b38f419c82b27356c7d84ca9.png" />

    一质点在平面上作一般曲线运动,其瞬时速度为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/cd2c54e096b2475db8bcecd84e554eb0.png" />,瞬时速率为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/359eb2c648264727bd0a2bc72d54b233.png" />,某一时间内的平均速度为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/32268b5fc5bc43619f3bb1de9c43715b.png" />,平均速率为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/99f1a21b975449648922aab0accdc025.png" />,它们之间的关系必定有( )。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/27daf7237fe740349eb8756c75d23df6.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/f2f418f88e564f8c9d46babbe9bc612b.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/5d84042638794095a9b9e7760b0cbb53.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/cd811196b38f419c82b27356c7d84ca9.png" />

  • 2021-04-14 问题

    http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/d96b43657e0944c48296c840a3a8a900.png

    http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/d96b43657e0944c48296c840a3a8a900.png

  • 2021-04-14 问题

    http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/4e02598ccc4443d3a5a16ec182a73d0a.png

    http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/4e02598ccc4443d3a5a16ec182a73d0a.png

  • 2021-04-14 问题

    http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/530c7ec1138f44febfcd8949474110c0.png

    http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/530c7ec1138f44febfcd8949474110c0.png

  • 2021-04-14 问题

    http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/3f12b8b853a042af82fa61cdd3464648.png

    http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/3f12b8b853a042af82fa61cdd3464648.png

  • 2021-04-14 问题

    (ZHCS1-9-冲量动量)http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/f3a44390b535403b9fce3dc9d11eb089.jpg

    (ZHCS1-9-冲量动量)http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/f3a44390b535403b9fce3dc9d11eb089.jpg

  • 2021-04-14 问题

    (ZHCS1-7圆轨道功)http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/b59ebefc8563431390238a3463f4416a.jpg

    (ZHCS1-7圆轨道功)http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/b59ebefc8563431390238a3463f4416a.jpg

  • 2021-04-14 问题

    电路中引入的是负反馈。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/be14254e32314fa3b26e14ab3555f3ff.png

    电路中引入的是负反馈。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/be14254e32314fa3b26e14ab3555f3ff.png

  • 2021-04-14 问题

    已知 EX=-1, DX=3,则 =( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/7bda6ce3e4e649f4885a4fd87fdae3fa.png

    已知 EX=-1, DX=3,则 =( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/7bda6ce3e4e649f4885a4fd87fdae3fa.png

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