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高三一轮复习每日一练 |两物体多次碰撞问题

  • 2026-11-10 22:02:26

高三一轮复习每日一练 |两物体多次碰撞问题

高三一轮复习每日一练 | 第 70 天
今日练习：两物体多次碰撞问题。
多次碰撞是动量守恒综合大题的高频考点，也是难点，过程多、状态复杂，很容易漏分析某一段运动过程，需要一步步拆分运动阶段，结合动量守恒、能量关系联立求解。
本次练习分为 3 大题型：
▪️题型一：水平面内两物体多次碰撞
▪️题型二：竖直面内两物体多次碰撞
▪️题型三：斜面上两物体多次碰撞
沉下心梳理每一次碰撞前后的速度关系，理清约束条件，慢慢攻克这个难点！坚持每日刷题，稳步夯实一轮基础。#高中物理#一轮复习#每日一练#高考提分#自主学习#选择性必修一#动量#弹性碰撞与非弹性碰撞#滑块弹簧模型



选题整理不易，未经允许请勿截图、转发到其他自媒体平台，感谢尊重劳动付出！

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数学试卷:2026.11长春外国语九上期中试卷

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000755s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001035s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000417s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000295s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000513s ]
  6. SELECT * FROM `set` [ RunTime:0.000254s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000625s ]
  8. SELECT * FROM `article` WHERE `id` = 544188 LIMIT 1 [ RunTime:0.000323s ]
  9. UPDATE `article` SET `lasttime` = 1794329506 WHERE `id` = 544188 [ RunTime:0.001832s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000360s ]
  11. SELECT * FROM `article` WHERE `id` < 544188 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000460s ]
  12. SELECT * FROM `article` WHERE `id` > 544188 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000402s ]
  13. SELECT * FROM `article` WHERE `id` < 544188 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000507s ]
  14. SELECT * FROM `article` WHERE `id` < 544188 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000602s ]
  15. SELECT * FROM `article` WHERE `id` < 544188 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000558s ]
0.087156s