[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f_DgfrKU3Q2vyQJecJpTMGy-jXd7neaK2DtM3XOEDMIM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2023-05-08 20:20:20",9971498,[8,9,10,11],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5713bc7446c2fea21c5ea26015fd5232.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Febe1f8836ef4da3772abef6fc0dbebf2.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd5dfa2ca580382637e8ad9a22aaca15d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Feb331eae6fdd97265aeea65dc0633559.png\">",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000008244","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F73f6bb5d40a0807432f23444e4b161dd.png","大学物理（上）（北京工业大学）","5772443","大学物理（上）（北京工业大学）教程考试","一列高速火车以速度v驶过车站,停在站台上的观测者观测到,固定在站台上相距2 m的两只机械手,同时在车厢上划出两个痕迹,则车厢上的观测者测出这两个痕迹之间的距离为",[20,31,40,43,52,61,70,79,88,97],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],9971469,[24,25,26,27],"升高","降低","不变","不能确定","一定量理想气体按pV3=恒量的规律膨胀,则膨胀后理想气体的温度将","v2",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],9971490,[35,36,37,38],"3 m","9 m","4.5 m","6 m","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F39bfa23ee7cc44744a7e891eccd3b166.png\">",{"answer":41,"createTime":5,"id":6,"options":42,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":29,"type":30},[],9971520,[47,48,49,50],"1.3´103 J","3.9´103 J","5.4´103 J","7.2´103 J","1 mol理想气体在T1=500 K的高温热源与T2=400 K的低温热源间作卡诺循环.在500 K的等温线上起始体积为V1=2l,终止体积为V1=10l,则此气体在每一循环中传给低温热源的热量Q2为",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":29,"type":30},[],9971544,[56,57,58,59],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe8e92a1005e065951e783a2656caebe3.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9dfba744fcefad073ae2c9678dcae95b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5ead850153cd2f45376a9de075ab5d7e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F75324fe593c8ea9cd19d6d8a7a978cd8.png\">","气缸中有一定量的氦气(视为理想气体),经过绝热压缩,压强变为原来的2倍,则气体分子的平均速率变为原来的 倍",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":29,"type":30},[],9971545,[65,66,67,68],"2.0 MeV","2.5 MeV","3.0 MeV","3.5 MeV","电子的静止能量约为0.5 MeV,当其速度为0.99c时,其动能为",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":29,"type":30},[],9971558,[74,75,76,77],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F47c1b25eafe30e59094fe0ae96f46b15.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8e181bff859a87f63075302dbf09b665.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fca692a280946d1a91613d72a2af5329e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3fa3b75d424a79bcd3dd782034731cda.png\">","理想气体的状态变化遵从pV2=B的规律(B为常量),则当体积由V1膨胀至2V1时,气体对外做功A为",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":29,"type":30},[],9971566,[83,84,85,86],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F722b9f6df3aed8cc2e1efd5f0513786b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F97fcfbee76957d4d3751f37ca0bc5059.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fabcb4056cf1c5b799e66417de02b133b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F37315ede4c9f2cd78ce5fb6fcd7378bd.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4f525c79860aab48c0cad8e43307c245.png\">",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":29,"type":30},[],9971589,[92,93,94,95],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F12f70104139020f82ba570556ac98869.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb196b3740a1e11d487d733a11d7e9ce2.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F51ea8f0632f683bd3dc7ce5a624218eb.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F90aed3e93517682b1c119a6150592a05.png\">","细棒静止质量为m0,长度为L0,当它沿棒长方向做高速运动时,测得其长度为L,则其相对论总能量E为",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":29,"type":30},[],9971594,[101,102,103,104],"2w0","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F377c24a42aa957893fad73fada0538e4.png\">","4w0","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F84012a3454a0839faaf77231a63a8f8d.png\">","芭蕾舞演员可绕通过脚尖的垂直轴旋转,当她伸长两手时的转动惯量为J0,角速度为w0,当她突然收臂使转动惯量减少为J0\u002F2时,其角速度为"]