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index.html
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<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="keywords" content="个人 博客 物理 学习 分享 理科 资源 共享 浙江 选考 技术 化学 语文 数学 英语">
<meta name="author" content="iYnOtUo">
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<meta name="revisit-after" content="1 days">
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<meta property="og:title" content="YusHome">
<meta property="og:url" content="https://yu.off.pw/index.html">
<meta property="og:site_name" content="YusHome">
<meta property="og:locale">
<meta property="article:author" content="iYnOtUo">
<meta property="article:tag" content="个人 博客 物理 学习 分享 理科 资源 共享 浙江 选考 技术 化学 语文 数学 英语">
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Yus Home
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Yus Home
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<style>
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.home-article-item,
.sidebar-links,
.sidebar-content,
a.page-number,
a.extend,
.sidebar-links .links:hover,
.right-bottom-tools,
footer.footer {
background-color: var(--background-color-transparent-80) !important;
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a.page-number:hover,
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<div class="content mt-8 flex flex-col justify-center items-center">
<div class="description flex flex-col justify-center items-center w-screen font-medium text-center"
>
往下划
<p><i id="subtitle"></i></p>
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[2024/08.08 更新] 物理 - 双杆切割问题
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建议先看：
积分动量
物理 - 单杆切割问题
Ⅰ 等距导轨双杆与单杆类似，双杆问题也有很多套路，在这里讲讲等距的双杆.双杆分为：
初速度型：某根杆有一个初速度；
恒定外力型：某根杆有一个恒定外力.
具体看题.
（一）例题：初速度型两根足够长的...
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<a href="/posts/45b5432f/">阅读全文<span class="seo-reader-text">[2024/08.08 更新] 物理 - 双杆切割问题</span> <i class="fa-solid fa-angle-right"></i></a>
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物理学史 - 其它看不懂，这个看得懂吧！
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<div class="home-article-content markdown-body">
第一部分：经典力学1. 托勒密
地心说的代表；
认为“地球是宇宙的中心”；
用“均轮”“本轮”描述天体的环绕；
《天文集》（即《至大论》）的作者。
2. 哥白尼
在临终前发表《天体运行论》；
提出“日心说”；
认为地球绕太阳运转。
3. 第谷
观...
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<a href="/posts/af7b7bb4/">阅读全文<span class="seo-reader-text">物理学史 - 其它看不懂，这个看得懂吧！</span> <i class="fa-solid fa-angle-right"></i></a>
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物理 - 洛伦兹力分量的动量（速度分解）
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建议先看：积分动量
例题来源：2015 天津卷
现代科学仪器常利用电场、磁场控制带电粒子的运动，真空中存在着如图所示的多层紧密相邻的匀强电场和匀强磁场，电场与磁场的宽度均为 $d$，电场强度为 $E$，方向水平向右；磁感应强度为 $B$，方向垂直纸面...
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[2024/08/04 更新] 物理 - 单杆切割问题
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建议先看：积分动量
单杆分为：
电源杆；
电阻杆；
电容杆（电磁轨道炮）.
具体看题目，最后有归纳.
题目Ⅰ 2019·海淀区校级模拟（电源杆）如图所示，两根足够长平行光滑的金属导轨 $MN$、$PQ$ 相距为 $L$，导轨平面与水平夹角为 $\...
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