{"id":1247,"date":"2024-12-22T08:00:00","date_gmt":"2024-12-22T07:00:00","guid":{"rendered":"https:\/\/control-advent.com\/?p=1247"},"modified":"2025-11-28T19:06:50","modified_gmt":"2025-11-28T18:06:50","slug":"22-aventuras-de-inverno-mapeando-rotas-seguras-para-os-duendes-do-pai-natal","status":"publish","type":"post","link":"https:\/\/control-advent.com\/?p=1247","title":{"rendered":"22 &#8211; Aventuras de Inverno: Mapeando Rotas Seguras para os Duendes do Pai Natal"},"content":{"rendered":"\n<p><strong><strong><strong>Autores desta quest\u00e3o:<\/strong><\/strong><\/strong>&nbsp;Damiano Rotondo,&nbsp;<em>Institutt for data- og elektroteknologi (IDE),&nbsp;<\/em>Universitetet i Stavanger, Noruega &amp; Helem S\u00e1nchez, Hafrsfjord Skole, Noruega<\/p>\n\n\n\n<p>Durante as suas divertidas f\u00e9rias de inverno, os duendes do Pai Natal adoram deslizar de tren\u00f3 pelas colinas geladas que circundam a casa e a oficina do Pai Natal. No entanto, a sua seguran\u00e7a poder\u00e1 estar em risco! A regi\u00e3o est\u00e1 repleta de perigosos ogres e maliciosos trasgos, sempre \u00e0 espreita nas regi\u00f5es a Noroeste, Nordeste, Sudoeste e Sudeste, prontos para estragar a divers\u00e3o dos duendes e destruir os seus brinquedos ou tren\u00f3s se deslizarem suficientemente longe na dire\u00e7\u00e3o errada.<\/p>\n\n\n\n<p>Um mapa abrangendo 5 doc\u00edmetros (a unidade de comprimento dos duendes) nas quatro dire\u00e7\u00f5es \u2014 Norte, Sul, Oeste e Leste \u2014 \u00e9 fornecido abaixo. A casa do Pai Natal est\u00e1 localizada no centro da \u00e1rea representada no mapa. A partir da casa do Pai Natal, e diretamente em cada uma dessas dire\u00e7\u00f5es, existem quatro colinas, cada uma com uma altura um pouco superior a 1.8 doc\u00edmetros. A topografia da regi\u00e3o mostra que as colinas se elevam gradualmente at\u00e9 ao seu pico e perdem depois altitude. O gelo cobre toda a paisagem, tornando-a incrivelmente escorregadia. Uma vez iniciado o deslize, o tren\u00f3 de um duende move-se sempre em dire\u00e7\u00e3o a cotas mais baixas, mas a dire\u00e7\u00e3o exacta da descida a partir de qualquer ponto da superf\u00edcie gelada depende das subtis varia\u00e7\u00f5es na topografia, tornando o percurso dos duendes muito imprevis\u00edvel.<\/p>\n\n\n\n<p>Os duendes querem saber a partir de que pontos iniciais nas colinas geladas podem deslizar com seguran\u00e7a sem acabar nos bra\u00e7os de um ogre ou de caras com um trasgo. Ajude-os a determinarem as suas zonas seguras ou ainda a garantir a sua maior regi\u00e3o de seguran\u00e7a, assegurando que nunca deslizar\u00e3o em direc\u00e7\u00e3o ao perigo.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"838\" src=\"https:\/\/control-advent.com\/wp-content\/uploads\/2024\/12\/elvessliding-2-1024x838.png\" alt=\"\" class=\"wp-image-1266\" srcset=\"https:\/\/control-advent.com\/wp-content\/uploads\/2024\/12\/elvessliding-2-1024x838.png 1024w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/12\/elvessliding-2-300x246.png 300w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/12\/elvessliding-2-768x629.png 768w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/12\/elvessliding-2-1536x1257.png 1536w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/12\/elvessliding-2-24x20.png 24w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/12\/elvessliding-2-36x29.png 36w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/12\/elvessliding-2-48x39.png 48w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/12\/elvessliding-2.png 1652w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>a. \ud83d\uded1\ud83e\udd37\u200d\u2642\ufe0f \ud83c\udfb2 Todos os pontos s\u00e3o inseguros, pois nunca \u00e9 poss\u00edvel garantir que o tren\u00f3 terminar\u00e1 o percurso na casa do Pai Natal devido \u00e0 imprevisibilidade do movimento.<\/p>\n\n\n\n<p>b. \ud83c\udfd4\ufe0f\ud83c\udfe0 \ud83d\udc4d Sempre que os duendes comecem no topo de uma colina estar\u00e3o seguros desde que a velocidade inicial do tren\u00f3 esteja direcionada para a casa do Pai Natal.<\/p>\n\n\n\n<p>c. \ud83d\udd35\u2705 \ud83d\udccf Os duendes devem come\u00e7ar dentro da elipse azul em torno da casa do Pai Natal (menos de 0.2 doc\u00edmetros), pois apenas essa altura \u00e9 segura para deslizarem com o tren\u00f3.<\/p>\n\n\n\n<p>d. \ud83d\udfe2\ud83d\uddfa\ufe0f \ud83d\udef7 Os duendes podem deslizar de forma segura a partir de qualquer ponto \u00e0 altura de 1 doc\u00edmetro, o que corresponde ao subconjunto verde que se estende continuamente pelo mapa, separando as colinas e vales.<\/p>\n\n\n\n<p>e. \ud83c\udfdf\ufe0f\ud83d\udef7 \ud83c\udfe0 Os duendes podem come\u00e7ar de forma segura em qualquer ponto abaixo da altura de 1 doc\u00edmetro, correspondente \u00e0 maior regi\u00e3o em forma de est\u00e1dio que circunda a casa do Pai Natal.<\/p>\n\n\n<div class='bootstrap-yop yop-poll-mc'>\n\t\t\t\t\t\t\t<div class=\"basic-yop-poll-container\" style=\"background-color:#b70004; 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