[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f5_m9P3FODuSrNog_kP2JVlV_EQFe7Gl0cKJqt4agD_g":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-12-24 01:01:26",173502483,[8,9,10,11],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F17f5f33ad67d0fcb2881d53381adfe8b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2c7965360f54e66d8578ea870ddb0ccd.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e4e11eb1fdf1f30d417cfe1a68605c2.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fab10dc097549d9856180723c187d7da4.png\">",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},26,"920fdd824e4a67ee5b4d858631aed80f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2396e30c1d95719d6a4b0bafb11972da.jpg","大学物理E-23计算机科学与技术2班","exam_133140439","质点力学测试","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4883b75b0966af80ea93cb74947af5ed.png\">",[21,32,41,50,59,68,77,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],173502477,[25,26,27,28],"-91J","91J","-67J","67J","一个质点同时在几个力作用下的位移为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb27191032a73fcb2f4d84b0195f53642.png\">(SI),其中一个恒力为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff042360b0e6b6ef878566f01c4e31639.png\"> (SI),则此力在该位移过程中所作的功为","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],173502478,[36,37,38,39],"它们的平均速度和平均速率都不相等","它们的平均速度相等","它们的平均速度和平均速率都相等","它们的平均速率相等","如图所示,两辆小车同时从A点出发,分别沿弧和折线路径行驶,同时到达B点,则: \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fecd720cb7d28dcb62553f731be5bfdc6.png\">",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],173502479,[45,46,47,48],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb230eced813e6cf5820bf263375ff52c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F71a569b75d7509e438121028a7300e58.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff8e9c49bb834c55f93b8a18920e6ce65.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdc89d67aeee29d5d63dba7b0455c66e3.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F32da743036448b5a8882165c2bd628b2.png\">",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],173502480,[54,55,56,57],"匀速圆周运动的速度和加速度都恒定不变","在圆周运动中,加速度的方向一定指向圆心","质点作曲线运动时,速度方向一定在运动轨道的切线方向,法线方向的分速度恒等于零,因此其法向加速度也一定等于零","质点作曲线运动时,必定有加速度","下列四种说法中正确的是",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],173502481,[63,64,65,66],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3cc300f46046a214ad02d58a6e81b8cb.webp\">,东南风","20,西南风","20,东南风","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3cc300f46046a214ad02d58a6e81b8cb.webp\">,西南风","稳定的南风风速v1=2米每秒,某人向西快跑,速率v2=4米每秒.此人感受到的风速大小及风向分别为()",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],173502482,[72,73,74,75],"4J","2J","3J","5J","质量为2KG的质点,速率由2米每秒增加至3米每秒,则外力做功的大小为()",{"answer":78,"createTime":5,"id":6,"options":79,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],173502484,[84,85,86,87],"变速直线运动","一般曲线运动","匀速直线运动","抛物线运动","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3c37451ec6cd1ddf29737111dd338ade.png\">",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],173502485,[93,94,95,96],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F20832b98faa4df1b5e387f1170a01b67.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F79a7051c30e87150ecc20a4e1077572b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8ee2e8d1ed8e0f9624b06a3bc45a2787.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F69bcc9aea3212852b12b1b655b86bd46.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2a86d907c7e6be034a52b019cd769d80.png\">",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],173502486,[102,103,104,105],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F78c3906edd04f34eeea7030038825cf2.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd217f13d9c48e8524117bec3bf8a55cc.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbf23329914e8db181854bd2b1a7f58a7.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7c1816494a45fb0a0be0326e3a3e3fb7.png\">","在相对于地面静止的坐标系内,A、B二船都以2m\u002Fs的速率匀速行驶,A船沿x轴正方向,B船沿y轴正向,今在A船上设与静止坐标系方向相同的坐标系,(x,y)方向单位矢量用\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F06e8c9640dcca1bb2780a4a5aa67b859.webp\">表示,那么在A船上的坐标系中B船的速度为?(SI)"]