{"id":1710,"date":"2013-06-24T20:41:58","date_gmt":"2013-06-24T20:41:58","guid":{"rendered":"http:\/\/www.flugmodel.is\/?page_id=1710"},"modified":"2013-06-24T20:42:45","modified_gmt":"2013-06-24T20:42:45","slug":"vaenghlutfall-reiknad","status":"publish","type":"page","link":"https:\/\/www.flugmodel.is\/?page_id=1710","title":{"rendered":"V\u00e6nghlutfall reikna\u00f0"},"content":{"rendered":"<style type=\"text\/css\"><!--\nH2 { margin-bottom: 0.21cm; }H2.western { font-family: \"Arial\",sans-serif; font-size: 14pt; font-style: italic; }H2.cjk { font-family: \"Droid Sans Fallback\"; font-size: 14pt; font-style: italic; }H2.ctl { font-size: 14pt; font-style: italic; }H1 { margin-bottom: 0.21cm; }H1.western { font-family: \"Arial\",sans-serif; font-size: 16pt; }H1.cjk { font-family: \"Droid Sans Fallback\"; font-size: 16pt; }H1.ctl { font-family: \"DejaVu Sans\"; font-size: 16pt; }P { margin-bottom: 0.21cm; }\n--><\/style>\n<p lang=\"is-IS\"><strong>V\u00e6nghlutfall<\/strong> er hlutfall <strong>v\u00e6nghafs<\/strong> \u00e1 m\u00f3ti <strong>me\u00f0al v\u00e6ngbreidd<\/strong>.<\/p>\n<p lang=\"is-IS\">\u00a0Me\u00f0al v\u00e6ngbreidd fyrir mj\u00f3kkandi v\u00e6ng er v\u00e6ngbreidd vi\u00f0 r\u00f3t pl\u00fas v\u00e6ngbreidd vi\u00f0 enda, deilt me\u00f0 tveimur. Fyrir jafnbrei\u00f0an v\u00e6ng eru v\u00e6ngbreidd og me\u00f0al v\u00e6ngbreidd s\u00fa sama.<\/p>\n<p>\u00a0<span style=\"color: #0000ff;\"><b>Af hverju er v\u00e6nghlutfall mikilv\u00e6gt?<\/b><\/span><\/p>\n<ul>\n<li>\u00a0V\u00e6nghlutfall gefur til kynna <b>hversu hratt m\u00f3deli\u00f0 getur olti\u00f0<\/b>.<\/li>\n<li>Ef allt anna\u00f0 er eins, \u00fe\u00e1 veltur v\u00e6ngur me\u00f0 h\u00e1tt v\u00e6nghlutfall (mj\u00f3r og langur v\u00e6ngur) h\u00e6gar en v\u00e6ngur me\u00f0 l\u00e1gt v\u00e6nghlutfall (stuttur og brei\u00f0ur v\u00e6ngur).<\/li>\n<li>V\u00e6nghlutfalli\u00f0 r\u00e6\u00f0ur a\u00f0 miklu leiti <b>hlutfallinu \u00e1 milli lift og drags<\/b> fyrir v\u00e6nginn.<\/li>\n<li>V\u00e6ngir me\u00f0 h\u00e1tt v\u00e6nghlutfall, eins og sviffluguv\u00e6ngir, eru skilvirkari og hafa h\u00e6rra hlutfall lifts \u00e1 m\u00f3ti dragi.<\/li>\n<li>V\u00e6ngir me\u00f0 h\u00e1tt v\u00e6nghlutfall eru broth\u00e6ttari og \u00feola verr sl\u00e6ma h\u00f6nnun, vonda sm\u00ed\u00f0i og klaufalegt flug.<\/li>\n<\/ul>\n<h2>Til a\u00f0 reikna v\u00e6nghlutfall<\/h2>\n<p lang=\"is-IS\">\u00dea\u00f0 eru tv\u00e6r a\u00f0fer\u00f0ir til a\u00f0 reikna v\u00e6nghlutfall.<\/p>\n<p lang=\"is-IS\"><span style=\"color: #0000ff;\"><b>A\u00f0fer\u00f0 1<\/b><\/span><\/p>\n<p lang=\"is-IS\">Deildu \u00ed <strong>v\u00e6nghafi\u00f0<\/strong> me\u00f0 <strong>me\u00f0al v\u00e6ngbreidd<\/strong>. Til d\u00e6mis er v\u00e6ngbreidd vi\u00f0 r\u00f3t 30 sm og vi\u00f0 enda 20 sm, \u00fe\u00e1 er me\u00f0al v\u00e6ngbreidd 25 sm, ef vi\u00f0 gefum okkur a\u00f0 v\u00e6ngurinn mj\u00f3kki stiglaust.<\/p>\n<p lang=\"is-IS\">Gefum okkur a\u00f0 v\u00e6nghafi\u00f0 s\u00e9 125 sm. \u00de\u00e1 deilum vi\u00f0 \u00ed v\u00e6nghafi\u00f0 me\u00f0 me\u00f0al v\u00e6ngbreidd:<\/p>\n<p lang=\"is-IS\">125 sm \/ 25 sm = 5 ? v\u00e6nghlutfalli\u00f0 er 5:1<\/p>\n<p lang=\"is-IS\"><span style=\"color: #0000ff;\"><b>A\u00f0fer\u00f0 2<\/b><\/span><\/p>\n<p lang=\"is-IS\">Margfalda\u00f0u <strong>v\u00e6nghafi\u00f0<\/strong> me\u00f0 sj\u00e1lfu s\u00e9r og deildu \u00ed \u00fea\u00f0 me\u00f0 <strong>v\u00e6ngfletinum.<\/strong> \u00deetta er gagnlegt me\u00f0 v\u00e6ngi \u00fea\u00f0 sem erfitt er a\u00f0 reikna me\u00f0al v\u00e6ngbreidd, eins og ellipsulaga v\u00e6ngi.<\/p>\n<p lang=\"is-IS\">125<sup>2<\/sup> \/ 3125 = 15625 \/ 3125 = 5 ? v\u00e6nghlutfalli\u00f0 er 5:1<\/p>\n<p lang=\"is-IS\">\u00dea\u00f0 er l\u00edka h\u00e6gt a\u00f0 fara aftur\u00e1bak \u00ed \u00feessum \u00fatreikningum til a\u00f0 finna me\u00f0al v\u00e6ngbreidd. Ma\u00f0ur bara deilir \u00ed v\u00e6ngfl\u00f6tinn me\u00f0 v\u00e6nghafinu.<\/p>\n<p lang=\"is-IS\">3125 \/ 125 = 25 sm me\u00f0al v\u00e6ngbreidd<\/p>\n<hr \/>\n<p lang=\"is-IS\"><span style=\"font-size: small;\">H\u00f6fundarr\u00e9ttur \u00a9 2003 Paul K. Johnson<\/span><\/p>\n<p lang=\"is-IS\"><span style=\"font-size: small;\">\u00de\u00fdtt me\u00f0 leyfi h\u00f6fundar<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u00e6nghlutfall er hlutfall v\u00e6nghafs \u00e1 m\u00f3ti me\u00f0al v\u00e6ngbreidd. \u00a0Me\u00f0al v\u00e6ngbreidd fyrir mj\u00f3kkandi v\u00e6ng er v\u00e6ngbreidd vi\u00f0 r\u00f3t pl\u00fas v\u00e6ngbreidd vi\u00f0 enda, deilt me\u00f0 tveimur. Fyrir jafnbrei\u00f0an v\u00e6ng eru v\u00e6ngbreidd og me\u00f0al v\u00e6ngbreidd s\u00fa sama. \u00a0Af hverju er v\u00e6nghlutfall mikilv\u00e6gt? \u00a0V\u00e6nghlutfall &hellip; <a href=\"https:\/\/www.flugmodel.is\/?page_id=1710\">Halda \u00e1fram a\u00f0 lesa <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":18,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/1710"}],"collection":[{"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1710"}],"version-history":[{"count":6,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/1710\/revisions"}],"predecessor-version":[{"id":1716,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/1710\/revisions\/1716"}],"up":[{"embeddable":true,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/18"}],"wp:attachment":[{"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}