{"id":91701,"date":"2024-01-14T00:28:46","date_gmt":"2024-01-14T00:28:46","guid":{"rendered":"https:\/\/science-hub.click\/%E6%92%AE%E5%BD%B1%E3%82%A6%E3%82%A3%E3%83%B3%E3%83%89%E3%82%A6%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC\/"},"modified":"2024-01-14T00:28:46","modified_gmt":"2024-01-14T00:28:46","slug":"%E6%92%AE%E5%BD%B1%E3%82%A6%E3%82%A3%E3%83%B3%E3%83%89%E3%82%A6%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC","status":"publish","type":"post","link":"https:\/\/science-hub.click\/?p=91701","title":{"rendered":"\u64ae\u5f71\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac"},"content":{"rendered":"<div><div><h2>\u5c0e\u5165<\/h2><p>\u5b87\u5b99\u98db\u884c\u306b\u304a\u3051\u308b<b>\u6253\u3061\u4e0a\u3052\u30a6\u30a3\u30f3\u30c9\u30a6<\/b>\u3068\u306f\u3001\u30ed\u30b1\u30c3\u30c8\u306e\u6253\u3061\u4e0a\u3052\u306b\u6700\u9069\u306a\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u308b\u671f\u9593\u306e\u3053\u3068\u3067\u3059\u3002<\/p><p>\u5730\u7403\u304c\u7403\u5f62\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u91cd\u529b\u5834\u306f\u4e2d\u5fc3\u306b\u3042\u308a\u3001 <div class=\"math-formual notranslate\">$$ {\\scriptstyle{ 1\/r^2 }} $$<\/div> \u3002\u885b\u661f\u306e\u8ecc\u9053\u306f<span><a href=\"https:\/\/science-hub.click\/?p=53229\">\u30b1\u30d7\u30e9\u30fc\u306e\u6cd5\u5247<\/a><\/span>\u306b\u5f93\u3044\u307e\u3059\u3002<span><a href=\"https:\/\/science-hub.click\/?p=18792\">\u4eba\u5de5\u885b\u661f\u3092<\/a><\/span>\u9060\u65b9\u304b\u3089\u5186\u8ecc\u9053\u306b\u4e57\u305b\u308b\u306b\u306f<div class=\"math-formual notranslate\">$$ {\\scriptstyle{ r_0 }} $$<\/div> \u3001\u521d\u901f\u304c\u5fc5\u8981\u3067\u3059<div class=\"math-formual notranslate\">$$ {\\scriptstyle \\vec {v_0}} $$<\/div>\u306b\u5782\u76f4<div class=\"math-formual notranslate\">$$ {\\scriptstyle{ \\vec{OM_0}}} $$<\/div>\u3068\u30e2\u30b8\u30e5\u30fc\u30eb<div class=\"math-formual notranslate\">$$ {\\scriptstyle{ v_0 }} $$<\/div>\u306e\u3088\u3046\u306a<div class=\"math-formual notranslate\">$$ {\\scriptstyle{ \\frac {v_0^2} {r_0} = g \\frac {R^2} {r_0^2}}} $$<\/div>\u3069\u3061\u3089\u304b<\/p><center>\u3001<\/center><p>\u3069\u306e\u4e2d\u3067<div class=\"math-formual notranslate\">$$ {\\scriptstyle { v_1 = \\sqrt {gR}}} $$<\/div>\u305d\u308c\u306f\u6700\u521d\u306e\u5b87\u5b99\u306e\u521d\u901f\u5ea6\u3067\u3059<div class=\"math-formual notranslate\">$$ {\\scriptstyle { v_1 = 7,9 km\/s = 28500 km\/h}} $$<\/div>\u5730\u7403\u306e\u5834\u5408\u3001\u307e\u305f\u306f\u30b7\u30e5\u30fc\u30e9\u30fc\u901f\u5ea6\u3001\u3064\u307e\u308a\u3001\u5730\u4e0a\u306e\u8ecc\u9053\u306b\u5165\u308b\u305f\u3081\u306b\u885b\u661f\u3092\u6253\u3061\u4e0a\u3052\u308b\u5fc5\u8981\u304c\u3042\u308b\u5b8c\u5168\u306b\u7406\u8ad6\u4e0a\u306e\u901f\u5ea6\u3002<\/p><p><span><a href=\"https:\/\/science-hub.click\/?p=104097\">\u9ad8\u5ea6<\/a><\/span>\u306b\u5fdc\u3058\u3066<div class=\"math-formual notranslate\">$$ {\\scriptstyle h } $$<\/div>\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002 <div class=\"math-formual notranslate\">$$ {\\scriptstyle { r_0 = R + h}} $$<\/div> \u3001\u5186\u8ecc\u9053\u4e0a\u306e\u901f\u5ea6\u306f\u6b21\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\u3002 <\/p><center><div class=\"math-formual notranslate\">$$ {v_0 = v_1 \\sqrt{1+\\frac1 {h\/R}} = v_1 \\left ( 1-\\frac h {2R} + \\cdots \\right ) } $$<\/div><\/center><p>\u4f8b\u3048\u3070\uff1a <\/p><ul><li><div class=\"math-formual notranslate\">$$ {\\scriptstyle{ h \\approx 100 km} } $$<\/div>\u8ecd\u4e8b\u885b\u661f\u304a\u3088\u3073\u89b3\u6e2c\u885b\u661f\u306e\u5834\u5408: <div class=\"math-formual notranslate\">$$ {\\scriptstyle{ v_0 \\approx 7,9 km\/s \\approx 29600 km\/h} } $$<\/div><\/li><li><div class=\"math-formual notranslate\">$$ {\\scriptstyle{ h \\approx 800 km} } $$<\/div>\u30b8\u30a7\u30a4\u30bd\u30f3\u3001\u30b9\u30dd\u30c3\u30c8\u3001\u592a\u967d\u540c\u671f\u885b\u661f\u306e\u5834\u5408: <div class=\"math-formual notranslate\">$$ {\\scriptstyle{ v_0 \\approx 8,4 km\/s \\approx 30200 km\/h} } $$<\/div><\/li><\/ul><p>\u6b21\u306b\u3001\u901f\u5ea6\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u307e\u305f\u306f\u65b9\u5411\u3092\u5c11\u3057\u9593\u9055\u3048\u305f\u5834\u5408\u306b\u4f55\u304c\u8d77\u3053\u308b\u304b\u3068\u3044\u3046\u7591\u554f\u304c\u751f\u3058\u307e\u3059\u3002\u7279\u306b\u3001\u885b\u661f\u304c<span>\u5927\u6c17\u570f<\/span>\u306b\u885d\u7a81\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u77e5\u308a\u305f\u3044\u3067\u3059\u304b?<\/p><p>\u3044\u308f\u3086\u308b<b>\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30a6\u30a3\u30f3\u30c9\u30a6<\/b>\u554f\u984c\u3067\u3059\u3002<\/p><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u64ae\u5f71\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/nsweVflAbOY\/0.jpg\" style=\"width:100%;\"\/><\/figure><h2>\u6b63\u3057\u3044\u65b9\u5411\u3001\u9593\u9055\u3063\u305f\u901f\u5ea6<\/h2><p>\u885b\u661f\u304c\u6b63\u3057\u3044\u65b9\u5411\u306b\u6253\u3061\u4e0a\u3052\u3089\u308c\u305f\u304c\u3001\u901f\u5ea6\u304c\u901f\u3059\u304e\u308b\u5834\u5408\u3001\u885b\u661f\u306f\u8fd1\u5730\u70b9\u3067\u653e\u51fa\u3055\u308c\u307e\u3059\u3002\u5730\u7403\u304b\u3089\u6700\u77ed\u8ddd\u96e2\u306b\u3042\u308a\u3001\u843d\u4e0b\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002 <\/p><div class=\"math-formual notranslate\">$$ {\\scriptstyle{2a &gt; R+r_0}} $$<\/div><p>\u9650\u754c\u8ecc\u9053\u306e<span><a href=\"https:\/\/science-hub.click\/?p=42948\">\u529b\u5b66\u7684\u30a8\u30cd\u30eb\u30ae\u30fc<\/a><\/span>\u3092\u4e0e\u3048\u308b\u516c\u5f0f\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <div class=\"math-formual notranslate\">$$ {\\scriptstyle{ E = &#8211; m g \\frac {R^2} {2a} = \\frac 1 2 m v^2 &#8211; m g \\frac {R^2} {r_0} }} $$<\/div> \u3002 <\/p><div class=\"math-formual notranslate\">$$ {\\scriptstyle{ \\frac 1 2 m v^2 &gt; m g R^2 \\left ( \\frac 1 {r_0} &#8211; \\frac 1 {R+r_0} \\right ) = m g \\frac {R^3} {r_0 \\left( R+r_0 \\right)} = m g \\frac {R^2} {r_0}\\frac R {R+r_0} = m v_0^2 \\frac R {2 R + h} = \\frac 1 2 m v_0^2 \\frac 1 {1 + h \/ {2R} }}} $$<\/div><div class=\"math-formual notranslate\">$$ {v &gt; v_0 \\sqrt{\\frac 1 {1 + h\/{2R}}} = v_0 \\left( 1 &#8211; \\frac h {4R}   + \\cdots \\right) } $$<\/div><p> \u3002<\/p><p>\u306e\u305f\u3081\u306b<div class=\"math-formual notranslate\">$$ {\\scriptstyle{ h = 800 km }} $$<\/div> \u3001\u5b9f\u969b\u306e\u901f\u5ea6\u306f\u305d\u308c\u4ee5\u4e0b\u3067\u3042\u3063\u3066\u306f\u306a\u308a\u307e\u305b\u3093<div class=\"math-formual notranslate\">$$ {\\scriptstyle {\\frac {800} {4R} = 3% }} $$<\/div>\u516c\u79f0\u901f\u5ea6\u306e\u3002\u305d\u3057\u3066\u3001\u306e\u305f\u3081\u306b<div class=\"math-formual notranslate\">$$ {\\scriptstyle{ h = 100 km }} $$<\/div> \u3001\u8a31\u5bb9\u7bc4\u56f2\u306f\u6b21\u306e\u3088\u3046\u306b\u4f4e\u4e0b\u200b\u200b\u3057\u307e\u3059\u3002 <div class=\"math-formual notranslate\">$$ {\\scriptstyle {0,4%}} $$<\/div> \uff01<\/p><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u64ae\u5f71\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/ePFbs5gdniM\/0.jpg\" style=\"width:100%;\"\/><\/figure><h2>\u6b63\u3057\u3044\u901f\u5ea6\u3001\u9593\u9055\u3063\u305f\u65b9\u5411<\/h2><p>\u826f\u597d\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u3057\u305f\u304c\u3063\u3066\u826f\u597d\u306a<span><a href=\"https:\/\/science-hub.click\/?p=54845\">\u30a8\u30cd\u30eb\u30ae\u30fc<\/a><\/span>\u3001\u3057\u305f\u304c\u3063\u3066 2a = 2r\u00b0\u3002\u3057\u305f\u304c\u3063\u3066\u3001M\u00b0 \u306f\u3001O \u3092\u901a\u308b V\u00b0 \u306b\u5e73\u884c\u306a\u7dda\u4e0a\u3067\u3001\u6955\u5186\u306e\u4e2d\u5fc3 C \u306b\u6295\u5f71\u3055\u308c\u305f<span><a href=\"https:\/\/science-hub.click\/?p=85195\">\u77ed\u8ef8<\/a><\/span>\u306e\u7aef B \u3067\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001<span><a href=\"https:\/\/science-hub.click\/?p=95869\">\u96e2\u5fc3\u7387<\/a><\/span>e \u306f sin <span>\u03b1<\/span>\u306e\u5024\u306b\u306a\u308a\u307e\u3059\u3002: \u8fd1\u5730\u70b9\u306f OP \u306b\u306a\u308a\u307e\u3059\u3002 = ac = r\u00b0(1-sin <span>\u03b1<\/span> )<\/p><pre> \u3064\u307e\u308a\u3001sin <span>\u03b1<\/span> &lt; h\/R\u3001\u3057\u305f\u304c\u3063\u3066<span>\u03b1<\/span> &lt; (~h\/R) (=1\/8 rd= \u30b9\u30dd\u30c3\u30c8\u306e\u5834\u5408\u306f 7\u00b0) \u3068\u306a\u308a\u307e\u3059\u3002<\/pre><p> h = 100km \u306e\u5834\u5408\u306f ~1\u00b0: \u3053\u308c\u306f\u5c0f\u3055\u306a\u64ae\u5f71<span><a href=\"https:\/\/science-hub.click\/?p=103211\">\u7a93<\/a><\/span>\u3067\u3042\u308a\u3001\u91cd\u529b\u304c\u306a\u3051\u308c\u3070\u3001\u79c1\u305f\u3061\u306f 0.5 \u5ea6\u3088\u308a\u826f\u3044\u65b9\u5411\u306b\u7167\u6e96\u3092\u5408\u308f\u305b\u308b\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002<\/p><\/div><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u64ae\u5f71\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/tpLlJp3W570\/0.jpg\" style=\"width:100%;\"\/><\/figure><h2 class=\"ref_link\">\u53c2\u8003\u8cc7\u6599<\/h2><ol><li><a class=\"notranslate\" href=\"https:\/\/ar.wikipedia.org\/wiki\/%D8%B4%D9%82_%D8%A7%D9%84%D8%B3%D9%87%D9%85\">\u0634\u0642 \u0627\u0644\u0633\u0647\u0645 \u2013 arabe<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/be.wikipedia.org\/wiki\/%D0%91%D0%B0%D0%B9%D0%BD%D1%96%D1%86%D0%B0\">\u0411\u0430\u0439\u043d\u0456\u0446\u0430 \u2013 bi\u00e9lorusse<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/be-tarask.wikipedia.org\/wiki\/%D0%91%D0%B0%D0%B9%D0%BD%D1%96%D1%86%D0%B0\">\u0411\u0430\u0439\u043d\u0456\u0446\u0430 \u2013 Belarusian (Tara\u0161kievica orthography)<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/en.wikipedia.org\/wiki\/Arrowslit\">Arrowslit \u2013 anglais<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/es.wikipedia.org\/wiki\/Aspillera\">Aspillera \u2013 espagnol<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/eu.wikipedia.org\/wiki\/Saietera\">Saietera \u2013 basque<\/a><\/li><\/ol><\/div>\n<div class=\"feature-video\">\n <h2>\n  \u64ae\u5f71\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u30fb\u95a2\u9023\u52d5\u753b\n <\/h2>\n <div class=\"video-item\">\n  \n  <figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n   <div class=\"wp-block-embed__wrapper\">\n    <iframe loading=\"lazy\" title=\"\u3010Google\u30ec\u30f3\u30ba\u306e\u4f7f\u3044\u65b9\u3011\u30ab\u30e1\u30e9\u306b\u3046\u3064\u305b\u3070\u4f55\u3067\u3082\u308f\u304b\u308b\uff01\u57fa\u672c\u64cd\u4f5c\u3084\u6d3b\u7528\u6cd5\u3001\u8a71\u984c\u306e\u300c\u5bbf\u984c\u300d\u30e2\u30fc\u30c9\u307e\u3067\u89e3\u8aac\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/bFiDkF4HCSI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n   <\/div>\n  <\/figure>\n  \n <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0e\u5165 \u5b87\u5b99\u98db\u884c\u306b\u304a\u3051\u308b\u6253\u3061\u4e0a\u3052\u30a6\u30a3\u30f3\u30c9\u30a6\u3068\u306f\u3001\u30ed\u30b1\u30c3\u30c8\u306e\u6253\u3061\u4e0a\u3052\u306b\u6700\u9069\u306a\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u308b\u671f\u9593\u306e\u3053\u3068\u3067\u3059\u3002 \u5730\u7403\u304c\u7403\u5f62\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u91cd\u529b\u5834\u306f\u4e2d\u5fc3\u306b\u3042\u308a\u3001 $$ {\\scriptstyle{ 1\/r^2 } [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":91702,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/img.youtube.com\/vi\/NpZxsNH137c\/0.jpg","fifu_image_alt":"\u64ae\u5f71\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac","footnotes":""},"categories":[5],"tags":[3196,3197,11,13,14,10,12,8,3195,16,15,9],"class_list":["post-91701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dictionary","tag-fenetre","tag-tir","tag-techniques","tag-technologie","tag-news","tag-actualite","tag-dossier","tag-definition","tag-fenetre-de-tir","tag-sciences","tag-article","tag-explications"],"_links":{"self":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts\/91701"}],"collection":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=91701"}],"version-history":[{"count":0,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts\/91701\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/media\/91702"}],"wp:attachment":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=91701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=91701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=91701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}