[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fvs6Rgp-yKQBVTrwuuP9jbhR2Bw7rGthOMBA7bA1Z2VQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":22,"type":23},[],"2023-06-20 21:01:33",74889539,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},7,"388d872875b88bccd12b4395ce6be490","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e2d5ad53be3d12aacc56ee37db405b7.jpg","大学物理","work_26851691","第一章作业","如图所示,液压减震器在工作时,活塞在套筒内做往复运动,设活塞的加速度\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9839e97e77065af33897499a62a7789c.png\">求活塞运动的速度.设初始位置在x轴原点处,活塞最深能到达什么位置?\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcc445e4788b3c5fb18f28e17479e233e.png\">",[17,24,29,32,37,47,56],{"answer":18,"createTime":5,"id":19,"options":20,"question":21,"source":22,"type":23},[],74889537,[],"在离水面高度为h的岸边,有人用绳子拉船靠岸,收绳的速率恒为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F397a6bd5785db3fe67dd4330b3a5762c.png\">.求船离岸边距离为s时的速度和加速度\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdbc76d2ebf9c8aaea0102d4abb34411d.jpg\">","v1",4,{"answer":25,"createTime":5,"id":26,"options":27,"question":28,"source":22,"type":23},[],74889538,[],"一辆卡车为了超车,以90km\u002Fh的速度驶入左侧逆行道,猛然发现前方前方80m处一辆汽车正迎面驶来.假定该汽车以54km\u002Fh的速度行驶,同时也发现了卡车.设两司机的反应时间都是0.7s,他们制动后加速度大小都是7.5m\u002Fs2,试问两车是否会相撞.如果相撞,相撞时卡车速度多大",{"answer":30,"createTime":5,"id":6,"options":31,"question":15,"source":22,"type":23},[],[],{"answer":33,"createTime":5,"id":34,"options":35,"question":36,"source":22,"type":23},[],74889540,[],"一个无风的下雨天一列火车以\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F628a272bf213e47fedb2de1f61852f2d.png\">的速度匀速前进,在车内的旅客看见玻璃窗外的雨滴和垂线成75°角下降,求雨滴下落的速度\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F57c0a9b254ef577a9fa430474d06c2da.png\">",{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":22,"type":46},[],74889541,[41,42,43,44],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe908d6022dc6db21f35e94370de993f1.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3026f88dbdc42cac84650550788d0e9e.png\">,当\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe67c7b2809d80f62ef32163bac292295.png\">时\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb0b422f3487bf61e4fb94ebf04ff5a2f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3026f88dbdc42cac84650550788d0e9e.png\">,当\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe67c7b2809d80f62ef32163bac292295.png\">时\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4d9040229e42af9cf3b4b14db3aaacd6.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3026f88dbdc42cac84650550788d0e9e.png\">,当\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe67c7b2809d80f62ef32163bac292295.png\">时\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F94fc6b2364e4983d70d08d664e086685.png\">","(单选题) 根据上述情况,下列说法正确的是( )",0,{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":22,"type":46},[],74889542,[51,52,53,54],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff97a14d470802d8a363d3a24029ea4b7.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa6ae2b6e91d910da671bc9e00f38553d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcde2d60e4ddb0eee37d91477a35428ad.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe659e2be13aadffe887443f6f1e926e5.png\">","(单选题) 根据上述情况",{"answer":57,"createTime":5,"id":58,"options":59,"question":60,"source":22,"type":61},[],74889543,[],"2、质点的运动方程\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F18b286ca3a85a1bea84d6b8c36295824.png\">,R,ω均为常数.试求从\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb7191f68aab625d2d6f8d71172e40ebb.png\">到\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc8aafc928a324f05f851678bbaf6ee61.png\">时间内的位移和路程?任意时刻质点的速度?(1) (简答题) **(2) (简答题) **",15]