[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fa--IInzoTr52c-gDnTawmJJVfy7vFgiFxCISPlZEano":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-06-17 19:43:03",68218265,[8,9,10,11],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe16699b3970acabd1e8e070fd4b4fd25.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3218d27f1852820bb159f8d85903bfc9.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F79357d63a28735ce71a6eb7b507277a6.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9ad5aa52d469550d01a8fd9298c8c774.png\">",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},5,"cacd16d0fbd531448172c18eb529b2ea","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fceb8c2d29a55cbb44ba201d8e0e8aace.jpg","大学物理A1","9f28106f012c424eabffb049682ffb6d","单选题","有两个同向但频率不同的简谐振动,那么合振动的周期为( )",[21,32,41,50,53],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],68218262,[25,26,27,28],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb9f6a9ade31faadb808441fe0feb9c5a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe71f386ce1a4a44d73ed373ca15cc186.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8761822ba3a8974707cd22d7d4fcb60a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5e29f35075c7f4e21ae00a4c9b4bf195.png\">","两个同向同频率的简谐振动,他们的相位差 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4ef1cb2c3635f38ef557ca572c9b9938.png\">则合振动的振幅为( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],68218263,[36,37,38,39],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F425082603b347d0d0311160c96b74842.png\">","0.6 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F425082603b347d0d0311160c96b74842.png\">","1.2 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F425082603b347d0d0311160c96b74842.png\">","2.4 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F425082603b347d0d0311160c96b74842.png\">","两个同方向同频率的简谐振动,其振动表达式分别为:\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd71df6c71d515bf53f0dc98dab5dbb9e.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe94128e7d9b0c05c165f015817c15ec8.png\">,则他们的合振动初相为( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],68218264,[45,46,47,48],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0ed4eaab53192164d44bab01161092fa.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F289bf92ba10d0d043446b263e297f433.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fef4b5eec089060af59861f4248f7c57d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6fb951a5ca120638ff14c92016146a6d.png\">","一质点沿 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F49484e170807f6ea8c286c21a4790035.png\">轴作简谐振动,振动方程为 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd58b57d2686911e72fe4f0fa0d6b3fab.png\">,从 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e2547017f9334437d01cfdfa4b839e8.png\">时刻起,到质点位置在 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc751a6882bab7223997aecf75be069db.png\">处,且向 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F49484e170807f6ea8c286c21a4790035.png\">轴正方向运动的最短时间间隔为( )",{"answer":51,"createTime":5,"id":6,"options":52,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":54,"createTime":5,"id":55,"options":56,"question":59,"source":30,"type":31},[],68218266,[25,26,57,58],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1956b72087bbadd598d3159f98eb3b6c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6dc244613082caff035d7e62a0425921.png\">","两个同频率垂直的简谐振动,若它们的相位差为 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6c194ad7571ce430c6bd177ad3aa7ed5.png\">,则合振动的振幅为( )"]