{"id":1754,"date":"2013-06-27T09:43:30","date_gmt":"2013-06-27T09:43:30","guid":{"rendered":"http:\/\/www.flugmodel.is\/?page_id=1754"},"modified":"2013-06-27T09:46:01","modified_gmt":"2013-06-27T09:46:01","slug":"vaengflotur-sporoskjuvaengs","status":"publish","type":"page","link":"https:\/\/www.flugmodel.is\/?page_id=1754","title":{"rendered":"V\u00e6ngfl\u00f6tur spor\u00f6skjuv\u00e6ngs"},"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\"><span style=\"color: #0000ff;\"><b>Hvers vegna v\u00e6ngfl\u00f6turinn er mikilv\u00e6gur<\/b><\/span><\/p>\n<ul>\n<li>Einn og s\u00e9r er v\u00e6ngfl\u00f6turinn ekkert merkilegur. Vi\u00f0 ver\u00f0um, hins vegar, a\u00f0 reikna hann \u00fat til a\u00f0 geta \u00e1kvar\u00f0a\u00f0 v\u00e6nghle\u00f0slu, sem er mj\u00f6g mikilv\u00e6g.<\/li>\n<\/ul>\n<p lang=\"is-IS\">\u00a0<span style=\"color: #0000ff;\"><b>V\u00e6ngfl\u00f6tur \u00e1 flugv\u00e9lum me\u00f0 marga v\u00e6ngi<\/b><\/span><\/p>\n<ul>\n<li>\u00a0Reikna\u00f0u hvern v\u00e6ng fyrir sig. Legg\u00f0u \u00fe\u00e1 s\u00ed\u00f0an saman til a\u00f0 finna heildar v\u00e6ngfl\u00f6tinn.<\/li>\n<\/ul>\n<p lang=\"is-IS\"><b>Athuga\u00f0u<\/b><\/p>\n<ul>\n<li>Ef \u00fe\u00fa ert a\u00f0 sm\u00ed\u00f0a \u00far kitti e\u00f0a eftir teikningu, \u00fe\u00e1 \u00e6tti v\u00e6ngfl\u00f6turinn a\u00f0 vera tilgreindur \u00e1 kassanum, \u00ed lei\u00f0beiningunum e\u00f0a \u00e1 teikningunni.<\/li>\n<li>\u00deegar ma\u00f0ur reikna\u00f0 fl\u00f6tinn fyrir v\u00e6nginn e\u00f0a st\u00e9lfl\u00f6tinn, \u00fe\u00e1 tekur ma\u00f0ur me\u00f0 \u00feann hluta sem gengur \u00ed gegnum skrokkinn, \u00fe\u00f3 \u00feetta b\u00fai ekki til neitt lift.<\/li>\n<\/ul>\n<h2 lang=\"is-IS\">Er \u00feetta r\u00e9ttur spor\u00f6skjuv\u00e6ngur?<\/h2>\n<p lang=\"is-IS\">\u00dea\u00f0 er ekki erfitt a\u00f0 reikna fl\u00f6t spor\u00f6skju. Hins vegar er \u00fea\u00f0 allt anna\u00f0 m\u00e1l a\u00f0 \u00e1kvar\u00f0a hvort fl\u00f6tur er \u00ed raun r\u00e9tt sporaskja e\u00f0a ekki.<\/p>\n<p lang=\"is-IS\">\u00dea\u00f0 er engin lei\u00f0 a\u00f0 \u00e1kvar\u00f0a hvort v\u00e6ngur er r\u00e9tt sporaskja me\u00f0 \u00fev\u00ed einu a\u00f0 horfa \u00e1 hann. \u00dea\u00f0 eina sem er \u00e1rei\u00f0anlegt er a\u00f0 nota <b>v\u00e6ngbreidd<\/b> vi\u00f0 r\u00f3t og <b>v\u00e6nghaf<\/b> \u00ed form\u00falunni til a\u00f0 reikna teiknipunktana.<\/p>\n<p lang=\"is-IS\">Ef teiknipunktarnir falla \u00e1 \u00fatl\u00ednur v\u00e6ngsins, \u00fe\u00e1 er hann r\u00e9tt sporaskja. Ef ekki, \u00fe\u00e1 ver\u00f0ur \u00fe\u00fa a\u00f0 nota a\u00f0rar a\u00f0fer\u00f0ir til a\u00f0 reikna v\u00e6ngfl\u00f6tinn.<\/p>\n<h2 lang=\"is-IS\">\u00datl\u00edna spor\u00f6skju teiknu\u00f0<\/h2>\n<p lang=\"is-IS\">Ef \u00fe\u00fa vilt teikna \u00fatl\u00ednu spor\u00f6skju, \u00fe\u00e1 er form\u00falan fyrir henni \u00feessi:<\/p>\n<p lang=\"is-IS\"><a href=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/ellipse_01.gif\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1758\" alt=\"ellipse_01\" src=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/ellipse_01-300x87.gif\" width=\"300\" height=\"87\" \/><\/a><\/p>\n<p lang=\"is-IS\"><b>(x<\/b><sup><b>2<\/b><\/sup><b> \/ a<\/b><sup><b>2<\/b><\/sup><b>) + (y<\/b><sup><b>2<\/b><\/sup><b> \/ b<\/b><sup><b>2<\/b><\/sup><b>) = 1<\/b><\/p>\n<p lang=\"is-IS\">\u00fear sem<\/p>\n<p lang=\"is-IS\"><b>\u00a0\u00a0\u00a0\u00a0 a<\/b> = v\u00e6nghaf \/ 2<br \/>\n<b>\u00a0\u00a0\u00a0\u00a0 b<\/b> = r\u00f3tarbreidd \/ 2<\/p>\n<p lang=\"is-IS\">\u00dea\u00f0 sem ma\u00f0ur gerir er a\u00f0 \u00e1kve\u00f0a v\u00e6nghafi\u00f0 og r\u00f3tarbreiddina og setur s\u00ed\u00f0an inn t\u00f6lur eftir v\u00e6nghafinu til a\u00f0 finna breiddina \u00e1 \u00feeim sta\u00f0.<\/p>\n<p lang=\"is-IS\">\u00dea\u00f0 er l\u00edka til g\u00f6mul a\u00f0fer\u00f0 a\u00f0 nota tvo punkta (teiknib\u00f3lur) og bandlykkju, en \u00e9g man ekki \u00ed svipinn hvernig \u00e1 a\u00f0 sta\u00f0setja punktana. \u00deetta er afskaplega einfalt og \u00e9g er viss um a\u00f0 \u00fe\u00fa getur fundi\u00f0 \u00feetta \u00e1 netinu ef \u00fe\u00fa vilt.<\/p>\n<h2 lang=\"is-IS\">Flatarm\u00e1l reikna\u00f0 fyrir r\u00e9tta spor\u00f6skju<\/h2>\n<p lang=\"is-IS\">\u00dea\u00f0 er einfalt a\u00f0 nota form\u00faluna fyrir flatarm\u00e1l spor\u00f6skju <b>EF<\/b> v\u00e6ngurinn er r\u00e9tt sporaskja (e\u00f0a n\u00e1l\u00e6gt \u00fev\u00ed).<\/p>\n<p lang=\"is-IS\"><b>Flatarm\u00e1l spor\u00f6skju = a x b x P\u00ed<\/b><\/p>\n<p lang=\"is-IS\">\u00fear sem<\/p>\n<p lang=\"is-IS\"><b>\u00a0\u00a0\u00a0\u00a0 a<\/b> = v\u00e6nghaf \/ 2<br \/>\n<b>\u00a0\u00a0\u00a0\u00a0 b<\/b> = r\u00f3tarbreidd \/ 2<\/p>\n<p lang=\"is-IS\">(og ef \u00fe\u00fa manst \u00fea\u00f0 ekki, \u00fe\u00e1 er P\u00ed = 3.14)<\/p>\n<p lang=\"is-IS\"><a href=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/ellipse_01.gif\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1758\" alt=\"ellipse_01\" src=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/ellipse_01-300x87.gif\" width=\"300\" height=\"87\" \/><\/a><\/p>\n<p lang=\"is-IS\">\u00a0Og \u00fear af lei\u00f0ir (\u00e1n \u00feess \u00fe\u00f3 a\u00f0 s\u00fdna \u00f6ll skrefin \u00ed \u00fatreikningunum)&#8230;<\/p>\n<p lang=\"is-IS\">\u00a0<b>V\u00e6ngfl\u00f6tur = ( 3.14 x v\u00e6nghaf x r\u00f3tarbreidd ) \/ 4<\/b><\/p>\n<h2 lang=\"is-IS\">Flatarm\u00e1l reikna\u00f0 ef ekki er um r\u00e9tta spor\u00f6skju a\u00f0 r\u00e6\u00f0a<\/h2>\n<p lang=\"is-IS\">\u00dea\u00f0 er mj\u00f6g l\u00edklegt a\u00f0 framhluti v\u00e6ngsins s\u00e9 ekki sama sporaskjan og afturhlutinn. \u00de\u00e1 er h\u00e6gt a\u00f0 skipta v\u00e6ngnum \u00ed tvennt me\u00f0 l\u00ednu fr\u00e1 enda til enda<\/p>\n<p lang=\"is-IS\">\u00a0<a href=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/ellipse_02.gif\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1761\" alt=\"ellipse_02\" src=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/ellipse_02-300x97.gif\" width=\"300\" height=\"97\" \/><\/a><\/p>\n<p lang=\"is-IS\">S\u00ed\u00f0an er fl\u00f6tur hvors hlutar fyrir sig reikna\u00f0ur og \u00feeir s\u00ed\u00f0an lag\u00f0ir saman. <b>Deildu s\u00ed\u00f0an \u00ed ni\u00f0urst\u00f6\u00f0urnar me\u00f0 tveim<\/b> til a\u00f0 f\u00e1 r\u00e9tt flatarm\u00e1l.<\/p>\n<p lang=\"is-IS\">Hin a\u00f0fer\u00f0in er a\u00f0 skipta v\u00e6ngnum \u00ed r\u00f6\u00f0 af trap\u00edsum, reikna flatarm\u00e1l hverrar fyrir sig og svo leggja \u00fe\u00e6r saman til a\u00f0 f\u00e1 \u00fat v\u00e6ngfl\u00f6tinn. A\u00f0 lokum \u00fearf a\u00f0 \u00e1\u00e6tla hversu mikill fl\u00f6tur f\u00e9ll ekki inn \u00ed trap\u00edsurnar og b\u00e6ta honum vi\u00f0.<\/p>\n<p lang=\"is-IS\"><a href=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/ellipse_03.gif\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1760\" alt=\"ellipse_03\" src=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/ellipse_03-300x88.gif\" width=\"300\" height=\"88\" \/><\/a><\/p>\n<p lang=\"is-IS\">\u00deetta \u00e6tti a\u00f0 vera nokku\u00f0 n\u00e1l\u00e6gt r\u00e9ttri t\u00f6lu og svosem n\u00f3gu n\u00e1kv\u00e6mt fyrir okkur. \u00de\u00fa \u00e6ttir n\u00fa samt a\u00f0 hafa \u00feessa t\u00f6lu alveg h\u00e1rn\u00e1kv\u00e6ma ef \u00fe\u00fa \u00e6tlar a\u00f0 \u00fatb\u00faa kitt e\u00f0a selja teikninguna.<\/p>\n<hr \/>\n<p lang=\"is-IS\">H\u00f6fundarr\u00e9ttur \u00a9 2003 Paul K. Johnson<\/p>\n<p lang=\"is-IS\">\u00de\u00fdtt me\u00f0 leyfi h\u00f6fundar \u2013 g<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hvers vegna v\u00e6ngfl\u00f6turinn er mikilv\u00e6gur Einn og s\u00e9r er v\u00e6ngfl\u00f6turinn ekkert merkilegur. Vi\u00f0 ver\u00f0um, hins vegar, a\u00f0 reikna hann \u00fat til a\u00f0 geta \u00e1kvar\u00f0a\u00f0 v\u00e6nghle\u00f0slu, sem er mj\u00f6g mikilv\u00e6g. \u00a0V\u00e6ngfl\u00f6tur \u00e1 flugv\u00e9lum me\u00f0 marga v\u00e6ngi \u00a0Reikna\u00f0u hvern v\u00e6ng fyrir sig. &hellip; <a href=\"https:\/\/www.flugmodel.is\/?page_id=1754\">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":5,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/1754"}],"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=1754"}],"version-history":[{"count":4,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/1754\/revisions"}],"predecessor-version":[{"id":1765,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/1754\/revisions\/1765"}],"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=1754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}