{"published":"2013-10-27 00:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fita.hatenadiary.jp%2Fentry%2F20131027%2Fp1\" title=\" \u300c\u96ea\u3060\u308b\u307e\u5f0f\u300d\u306f\u6642\u9593\u306e\u4f55\u4e57\uff1f - ita\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":" \u300c\u96ea\u3060\u308b\u307e\u5f0f\u300d\u306f\u6642\u9593\u306e\u4f55\u4e57\uff1f","description":"Snowball Effect (Wikipedia) \u534a\u5f84R\u306e\u96ea\u3060\u308b\u307e\u304c\u6df1\u30551\u306e\u96ea\u306e\u4e0a\u3092\u8ee2\u304c\u308b\u3053\u3068\u3092\u8003\u3048\u307e\u3059\u3002 \u63a5\u5730\u9762\u306e\u534a\u5f84\u306f\u221aR\u306b\u6bd4\u4f8b\u3002\u901f\u30551\u3067\u52d5\u304b\u3059\u3068\u3001\u221aR\u306b\u6bd4\u4f8b\u3057\u305f\u96ea\u304c\u3072\u3063\u3064\u3044\u3066\u4f53\u7a4d\u304c\u5897\u3048\u307e\u3059\u3002 d(R^3)/dt = \u5b9a\u6570*\u221aR \u7269\u7406\u5c4b\u306a\u3089\u3001\u3053\u3053\u304b\u3089\u6307\u6570\u3068\u304b\u51fa\u3066\u3053\u306a\u3044\u3053\u3068\u306f\u4e00\u76ee\u3067\u5206\u304b\u308a\u307e\u3059\u3002\u300c\u501f\u91d1\u304c\u96ea\u3060\u308b\u307e\u5f0f\u306b\u300d\u3068\u3044\u3046\u8868\u73fe\u306f\u6307\u6570\u7684\u5897\u52a0\u3092\u793a\u5506\u3059\u308b\u3051\u3069\u3001\u96ea\u3060\u308b\u307e\u306f\u6307\u6570\u3067\u6210\u9577\u3057\u306a\u3044\u3002 \u660e\u3089\u304b\u306b\u6642\u9593\u306e\u3079\u304d\u4e57\u306b\u306a\u308b\u3053\u3068\u304c\u898b\u3048\u308b\u306e\u3067\u3001\u305d\u306e\u6307\u6570\u3092x\u3068\u304a\u304f\u3068\u3001d(R^3)=3 R^2 dR/dt\u3088\u308a 3x-1 = x/2\u3002 \u3057\u305f\u304c\u3063\u3066 R\u306ft^2/5\u306b\u6bd4\u4f8b\u3059\u308b\u3053\u3068\u306b\u3002\u6642\u9593\u306e0.4\u4e57\u3002\u805e\u3044\u305f\u3053\u3068\u306a\u3044\u6307\u2026","version":"1.0","blog_url":"https://ita.hatenadiary.jp/","height":"190","provider_url":"https://hatena.blog","width":"100%","categories":["\u7406\u7cfb\u30cd\u30bf","J"],"author_name":"ita","provider_name":"Hatena Blog","type":"rich","author_url":"https://blog.hatena.ne.jp/ita/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/i/ita/20131027/20131027112254.png","url":"https://ita.hatenadiary.jp/entry/20131027/p1","blog_title":"ita\u2019s diary"}