[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ffbkfr1QPasc7A_OzPZNs2oJI1JKrIZ0gWUqXKi6YRQc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2023-10-16 18:39:05",100188844,[8,9,10,11],"一定同时","可能同时","不可能同时,但可能同地","不可能同时,也不可能同地",{"courseId":13,"courseImg":14,"courseName":15},"06b87ff6af87723db6880355266cab39","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb73d0b4f5e3ff05c47ef07d5d7d73b13.png","大学物理力学和电磁学","在一惯性系中观测,两个事件同时不同地,则在其他惯性系中观测,它们[ ]",[18,23,33,42,51,60,69,78,87,96],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":25,"id":26,"options":27,"question":32,"source":21,"type":22},[],"2023-10-16 18:39:06",100188845,[28,29,30,31],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc4cf8e143362a98c21ea6e19e6401122.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F55aec46734dcfd08a484a2ba7798d92d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F76fb73cf6767908d9a112e792874d20d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd4f854b033a25bde46e83be9b1bf31cd.png\">","宇宙飞船相对于地面以速度\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8f87bf606d50c1e22d7006fbb682b4c4.png\">作匀速直线飞行,某一时刻飞船头部的宇航员向飞船尾部发出一个光讯号,经过\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd32c6baf9fa1e9172d233bf969e44b36.png\">(飞船上的钟)时间后,被尾部的接收器收到,则由此可知飞船的固有长度为(c表示真空中光速)[ ]",{"answer":34,"createTime":25,"id":35,"options":36,"question":41,"source":21,"type":22},[],100188846,[37,38,39,40],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2e16c7287f023cda191b82eb09bd5aec.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9dcdead4c48db06ea45dcb309979a705.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4469f17614b0115dae22304b79859390.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0e9acdd10fe485f1ae8d6ea92d0da25a.webp\">","两个惯性系S和S',沿x(x)轴方向作匀速相对运动,相对速度为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2a37832b1905bd5b11da2e15b156deff.webp\">.设在S系中某点先后发生两个事件,用静止于该系的钟测出两事件的时间间隔为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44a9555ce3a153b972a46d1f34f6d690.webp\">,而用固定在S'系的钟测出这两个事件的时间间隔为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff21718ea50d1c014ec482fbcd72e8cdf.webp\">.又在S'系x'轴上放置一静止于该系且长度为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F103b38a781f81598c46c231958885e16.webp\">的细杆,从S系测得此杆的长度为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F73e0e6f52d35c46f0fc90f56aae83e58.webp\">,则( )",{"answer":43,"createTime":25,"id":44,"options":45,"question":50,"source":21,"type":22},[],100188847,[46,47,48,49],"0.5c","0.6c","0.8c","0.9c","一宇航员要到离地球5光年的星球去旅行.如果宇航员希望把这路程缩短为3光年,则他所乘的火箭相对于地球的速度ⅴ应为( )",{"answer":52,"createTime":25,"id":53,"options":54,"question":59,"source":21,"type":22},[],100188848,[55,56,57,58],"(1),(3),(4)","(1),(2),(4)","(1),(2),(3)","(2),(3),(4)","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa8ad3d79ea8cf177572d9ea300891a0e.png\">",{"answer":61,"createTime":25,"id":62,"options":63,"question":68,"source":21,"type":22},[],100188849,[64,65,66,67],"90m","54m","270m","150m","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3c9be2ce066e2a56e08c1103bb3281be.png\">",{"answer":70,"createTime":25,"id":71,"options":72,"question":77,"source":21,"type":22},[],100188850,[73,74,75,76],"大于45°","小于45°","等于45°","当K′系沿Ox正方向运动时大于45°,而当K′系沿Ox负方向运动时小于45°","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2132933c0f1479751a45f3ad4df8325d.png\">",{"answer":79,"createTime":25,"id":80,"options":81,"question":86,"source":21,"type":22},[],100188852,[82,83,84,85],"只有(1)、(2)是正确的","只有(1)、(3)是正确的","只有(2)、(3)是正确的","三种说法都是正确的","有下列几种说法:(1)所有惯性系对物理基本规律都是等价的.(2)在真空中,光的速度与光的频率、光源的运动状态无关.(3)在任何惯性系中,光在真空中沿任何方向的传播速率都相同.若问其中哪些说法是正确的,答案是( )",{"answer":88,"createTime":25,"id":89,"options":90,"question":95,"source":21,"type":22},[],100188854,[91,92,93,94],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1ae246c0bf44348fc34819a6f960966d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F727ab299aeee99cf7f9a8d4f2d6adcd5.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd3ef7c72a5cbf4f4d182d8c3b40c6b22.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F49313fcc4686ea27b8c0f4affd24b95e.png\">","设电子静止质量为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2405a14574dad049e1eb6327442016ff.png\">,将一个电子从静止加速到速率为0.6c(c为真空中的光速),需做功( )",{"answer":97,"createTime":25,"id":98,"options":99,"question":104,"source":21,"type":22},[],100188856,[100,101,102,103],"6 s","8 s","10 s","10\u002F3 s","某宇宙飞船以0.8c的速率离开地球,若地球上测到它发出的两个信号之间的时间间隔为10s.则宇航员测出的相应的时间间隔为( )"]