\u3000\u30b0\u30ec\u30f3\u30c0\u30a4\u30b6\u30fc\u306e\u30a8\u30d4\u30bd\u30fc\u30c9\uff10\u306e\u30d5\u30a1\u30f3\u30d5\u30a3\u30af\u306b\u3064\u3044\u3066\u3002\u30b7\u30cd\u30de\u5929\u6587\u697d\u5165\u9580\u3092\u8aad\u3093\u3067\u3044\u305f\u3089\u3044\u304f\u3064\u304b\u8a08\u7b97\u5f0f\u3092\u307f\u3064\u3051\u305f\u306e\u3067\u30c1\u30a7\u30c3\u30af\u3057\u3066\u307f\u305f\u3002
\n\u3000\u30b0\u30ec\u30f3\u30c0\u30a4\u30b6\u30fc\u304c\u843d\u3063\u3053\u3061\u3066\u304d\u305f\u6642\u306e\u901f\u5ea6\u3068\u3057\u3066\u300118 km\/s\u3068\u8a2d\u5b9a\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u30b9\u30da\u30fc\u30b9\u30b7\u30e3\u30c8\u30eb\u306e\u518d\u7a81\u5165\u306e\u901f\u5ea6\u304c\u3053\u308c\u304f\u3089\u3044\u306a\u3093\u3067\u76ee\u5b89\u306b\u3057\u3066\u307f\u305f\u306e\u3060\u304c\u3001\u5b9f\u969b\u306e\u5929\u4f53\u306e\u885d\u7a81\u901f\u5ea6\u306f\u3082\u3046\u3061\u3087\u3063\u3068\uff0830 km\/s\u7a0b\u5ea6\uff09\u3042\u308b\u3089\u3057\u3044\u3002\u3058\u3083\u3042\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u8a66\u7b97\u3057\u306a\u304a\u3057\u3066\u307f\u305f\u3002
\n\u30b0\u30ec\u30f3\u30c0\u30a4\u30b6\u30fc\uff08\u30b9\u30da\u30a4\u30b6\u30fc\u4ed8\u304d\uff09430 t = 430e3 kg
\n\u7a81\u5165\u6642\u306e\u901f\u5ea6\u3000\u901a\u5e38\u306e\u9695\u77f3\u4e26\u3068\u3059\u308b\u306830 km\/s = 30e3 m\/s
\n\u904b\u52d5\u30a8\u30cd\u30eb\u30ae\u30fcW = (1\/2) * 430e3 * (30e3)^2 = 1.935e14 J
\n\u30af\u30ec\u30fc\u30bf\u30fc\u306e\u30b5\u30a4\u30ba R = 2.15*1e-3*W^(1\/3) = 124 m
\n\u5f53\u7136\u3001\u30af\u30ec\u30fc\u30bf\u30fc\u306e\u30b5\u30a4\u30ba\u4ee5\u4e0a\u306b\u88ab\u5bb3\u306f\u5e83\u304c\u308b\u306f\u305a\u3002
\n\u3000\u3061\u306a\u307f\u306b\u5e83\u5cf6\u578b\u539f\u7206\u30676e13 J\u3002\u30d3\u30ad\u30cb\u6c34\u7206\u304c6e16 J\u3002\u6e1b\u901f\u305b\u305a\u306b\u5730\u9762\u306b\u6fc0\u7a81\u3057\u305f\u3068\u3059\u308b\u3068\u3001\u5e83\u5cf6\u578b\u539f\u7206\u306e\uff13\u500d\u7a0b\u5ea6\u306e\u7834\u58ca\u529b\u306b\u306a\u308b\u3002
\n\u3000\u5143\u306e18 km\/s\u306e\u307e\u307e\u3060\u3068\u3001W= (1\/2) * 430e3 * (18e3)^2 = 6.966e13 J\u3060\u304b\u3089\u3001\u5e83\u5cf6\u578b\u539f\u7206\u3088\u308a\uff11\u5272\u3061\u3087\u3063\u3068\u5927\u304d\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u3068\u306a\u308b\u3002\u3053\u306e\u3068\u304d\u306f\u30af\u30ec\u30fc\u30bf\u30fc\u306e\u30b5\u30a4\u30ba\u306f88 m\u7a0b\u5ea6\u306b\u306a\u308b\u3002
\n\u3000\u6587\u4e2d\u3067\u8a00\u53ca\u3057\u305f\u30c4\u30f3\u30b0\u30fc\u30b9\u30ab\u306f\u3001\u63a8\u5b9a\u91cd\u91cf 40\u4e07t\u306e\u5c0f\u60d1\u661f\u304c16.5 km\/s\u3067\u7a81\u5165\u3057\u3001\u5730\u4e0a8.5 km\u3067\u7206\u767a\u3057\u305f\u3068\u63a8\u5b9a\u3055\u308c\u3066\u3044\u308b\u3002\u306a\u306e\u3067\u3001\u30b0\u30ec\u30f3\u30c0\u30a4\u30b6\u30fc\u304c\u4e0a\u8a18\u306e\u901f\u5ea6\u3067\u5730\u9762\u306b\u6fc0\u7a81\u3057\u305f\u306e\u3088\u308a\u306f3\u6841\u307b\u3069\u5927\u304d\u3044\u30a8\u30cd\u30eb\u30ae\u30fc\u3067\u3042\u308b\u3002
\n\u3000\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u3001\u7814\u7a76\u6240\u306e\u8fd1\u304f\u306b\u6e1b\u901f\u306a\u3057\u3067\u30b0\u30ec\u30f3\u30c0\u30a4\u30b6\u30fc\u7a0b\u5ea6\u306e\u8cea\u91cf\u306e\u3082\u306e\u304c\u843d\u4e0b\u6fc0\u7a81\u3057\u305f\u3089\u3001\u5e83\u5cf6\u578b\u539f\u7206\u304c\u843d\u3061\u305f\u306e\u3068\u5909\u308f\u3089\u306a\u3044\u308f\u3051\u3067\u3001\u5b87\u9580\u535a\u58eb\u771f\u3063\u9752\u3068\u3044\u3046\u63cf\u5199\u306f\u4e00\u5fdc\u306f\u59a5\u5f53\u304b\u306a\u3042\u3068\u601d\u3063\u305f\u308a^^;)\u3002
\n\u3000\u305f\u3060\u3057\u3001\u91cd\u91cf\u306b\u6bd4\u3057\u3066\u3001\u6587\u4e2d\u3067\u66f8\u3044\u305f\u76f4\u7cfb1 km\u3068\u3044\u3046\u306e\u306f\u5927\u304d\u3059\u304e\u308b\u3002\u305d\u308c\u3067\u3082\u3001\u9244\u306a\u3069\u304c\u4e3b\u6210\u5206\u3067\u5bc6\u5ea6\u9ad8\u3081\u306e\u76f4\u7cfb40 m\u306e\u5c0f\u5929\u4f53\u3060\u3068\u601d\u3063\u305f\u3068\u3059\u308b\u3068\u30011km\u7a0b\u5ea6\u3068\u3044\u3046\u4e88\u60f3\u306f\u305d\u3093\u306a\u306b\u5927\u5916\u308c\u3067\u3082\u306a\u3044\u3002\u3069\u3046\u8868\u73fe\u3059\u308b\u304b\u5fae\u5999\u306a\u3068\u3053\u308d\u3060\u306a\u2026\u2026\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3000\u30b0\u30ec\u30f3\u30c0\u30a4\u30b6\u30fc\u306e\u30a8\u30d4\u30bd\u30fc\u30c9\uff10\u306e\u30d5\u30a1\u30f3\u30d5\u30a3\u30af\u306b\u3064\u3044\u3066\u3002\u30b7\u30cd\u30de\u5929\u6587\u697d\u5165\u9580\u3092\u8aad\u3093\u3067\u3044\u305f\u3089\u3044\u304f\u3064\u304b\u8a08\u7b97\u5f0f\u3092\u307f\u3064\u3051\u305f\u306e\u3067\u30c1\u30a7\u30c3\u30af\u3057\u3066\u307f\u305f\u3002 \u3000\u30b0\u30ec\u30f3\u30c0\u30a4\u30b6\u30fc\u304c\u843d\u3063\u3053\u3061\u3066\u304d\u305f\u6642\u306e\u901f\u5ea6\u3068\u3057\u3066\u300118 km\/s\u3068\u8a2d\u5b9a\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u30b9\u30da\u30fc […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-192","post","type-post","status-publish","format-standard","hentry","category-fanfic"],"_links":{"self":[{"href":"https:\/\/www.frontier-line.org\/lognote\/index.php?rest_route=\/wp\/v2\/posts\/192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.frontier-line.org\/lognote\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.frontier-line.org\/lognote\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.frontier-line.org\/lognote\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.frontier-line.org\/lognote\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=192"}],"version-history":[{"count":0,"href":"https:\/\/www.frontier-line.org\/lognote\/index.php?rest_route=\/wp\/v2\/posts\/192\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.frontier-line.org\/lognote\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.frontier-line.org\/lognote\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.frontier-line.org\/lognote\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}