[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fSXcOl2hIPOqKYCNlNWq7sasz-wgFqQRyUHgGXaa-pAY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-06-22 13:11:36",206428522,[8,9,10,11],"π\u002F3","-π\u002F3","π\u002F6","2π\u002F3",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},40,"1d3b589133acd578da9b9b7158dc4b81","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F41412a0f61210481289222588c9ae256.jpg","大学物理一","exam_159558603","第5-8章单元测试","质点做简谐运动,其位移与时间的曲线如图所示.则该质点做简谐运动的初相位为 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe3c1c629d175d08a7ae74896d979c8dc.png\">",[21,32,35,44,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],206428520,[25,26,27,28],"振动方向平行,相位差恒定,频率和振幅可以不同","频率相同,振动方向平行,相位差恒定","振幅和频率相同,相位差恒定,振动方向垂直","振幅、频率、振动方向均必须相同,相位差恒定","下列关于两列波是相干波条件叙述正确的是( )","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],206428524,[39,40,41,42],"加速度总是与位移方向相同","加速度、速度方向永远一致","在平衡位置加速度、速度均达到最大值","在平衡位置速度达到最大值,而加速度为零","关于简谐运动,以下说法中正确的是( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],206428526,[48,49,50,51],"氢气的温度比氧气的高","氧气的温度比氢气的高","两种气体的压强相同","两种气体的温度相同","有两个容器,一个盛氢气,另一个盛氧气,如果两种气体分子的方均根速率 相等,那么由此可以得出下列结论,正确的是",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],206428528,[57,58,59,60],"2.62s","2.40s","2.20s","2.00s","一简谐运动曲线如图所示,则运动周期是 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6b73a0422988bb8ae612da8e6e96691f.png\">",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],206428530,[66,67,68,69],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9b2fec4bc5982c3e779d357d9e857880.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc852f96214091fa7d223be3c9b7fbce9.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdc2b88c38827668b028d942b2490039c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F24c0720c689f1556d341b05987fec9a1.png\">","用分子质量m,总分子数N,分子速率v和速率分布函数f(v)表示的分子平均平动动能为()",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],206428532,[75,76,77,78],"1:2","5:3","5:6","10:3","在标准状态下,体积比为1:2的氧气和氦气(均视为理想气体)相混合,混 合气体中氧气和氦气的内能之比为",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],206428534,[84,85,86,87],"都发生变化","波速和波长变,频率不变","波速和频率变,波长不变","波速、波长和频率都不变化","波由一种介质进入另一种介质时,其传播速度、频率和波长( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],206428536,[93,94,95,96],"系统对外作的功不可能大于系统从外界吸收的热量","系统内能的增量等于系统从外界吸收的热量","热机的效率不可能等于1","不可能存在这样的循环过程,在此循环过程中,外界对系统作的功不等于系统传给外界的热量","根据热力学第一定律,下列表述正确的是:( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],206428538,[102,103,104,105],"它的势能转换成动能","它的动能转换成势能","它从相邻的一段介质质元获得能量,其能量逐渐增加","它把自己的能量传给了相邻一段介质质元,其能量逐渐减小","一平面简谐波在弹性介质中传播,某处介质质元在从最大位移处回到平衡位置的过程中:( )"]