{"id":65747,"date":"2026-07-25T05:08:56","date_gmt":"2026-07-24T20:08:56","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=65747"},"modified":"2026-07-25T05:08:56","modified_gmt":"2026-07-24T20:08:56","slug":"16-metrin-pudotuksen-kauhu-selitettyna-fysiikalla-splash-mountain-matemaattisesti-tarkasteltuna%e3%80%90disneylandin-fysiikkaa%e3%80%91","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=65747&lang=fi","title":{"rendered":"16 metrin pudotuksen kauhu selitettyn\u00e4 fysiikalla! Splash Mountain matemaattisesti tarkasteltuna\u3010Disneylandin fysiikkaa\u3011"},"content":{"rendered":"<p style=\"text-align: center;\"><b style=\"color: #339966;\">Hei! Olen tiedevalmentaja Ken Kuwako. Minulle jokainen p\u00e4iv\u00e4 on kokeilu!<\/b><\/p>\n<p style=\"text-align: center;\"><b><span style=\"font-size: 14px;\">Tiesitk\u00f6, ett\u00e4 Disneylandin Splash Mountain -laitteen nopeuden voi laskea itse?<\/span><\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65724 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-24-16.47.08.jpeg\" alt=\"\" width=\"453\" height=\"352\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-24-16.47.08.jpeg 962w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-24-16.47.08-300x233.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-24-16.47.08-768x597.jpeg 768w\" sizes=\"auto, (max-width: 453px) 100vw, 453px\" \/><\/p>\n<p style=\"text-align: center;\">Kuva on luotu teko\u00e4lyll\u00e4.<\/p>\n<p>Kun kysyn luokassani, &#8220;Kuka on k\u00e4ynyt Tokyo Disneylandin Splash Mountainissa?&#8221;, l\u00e4hes jokainen k\u00e4si nousee. Oppilaille Tokyo Disneyland on jo koettu &#8220;fysiikan maailma&#8221;. Mutta kun kysyn, &#8220;Kuka on k\u00e4ynyt FUJIYAMA-vuoristoradassa?&#8221;, vain noin 10 % k\u00e4sist\u00e4 nousee. Ilmeisesti &#8220;\u00e4\u00e4rimm\u00e4isen j\u00e4nnityksen&#8221; kynnys on korkea!<\/p>\n<p>Mutta hetkinen! Tiesitk\u00f6, ett\u00e4 Tokyo Disneylandin nopein laite on juuri Splash Mountain? Se kuuluisa tukkivene, jolla sy\u00f6ksyt\u00e4\u00e4n koskea alas vesialtaaseen!<\/p>\n<p>Tiesitk\u00f6 my\u00f6s, ett\u00e4 Splash Mountainin nopeuden voi ennustaa ja laskea lukion fysiikan perustiedoilla? Se ei ole en\u00e4\u00e4 pelkk\u00e4\u00e4 huvia, vaan mahtava oppimateriaali \u2014 katsotaanpa Splash Mountainia t\u00e4ll\u00e4 kertaa fysiikan silmin!<\/p>\n<h3>Kuinka korkea se todella on? \u2014 Perustiedot ensin<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-39086 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/11\/dac5982513156b6353d165694dc1d81f.jpg\" alt=\"\" width=\"565\" height=\"322\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/11\/dac5982513156b6353d165694dc1d81f.jpg 906w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/11\/dac5982513156b6353d165694dc1d81f-300x171.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/11\/dac5982513156b6353d165694dc1d81f-768x437.jpg 768w\" sizes=\"auto, (max-width: 565px) 100vw, 565px\" \/><\/p>\n<p>Splash Mountainin ikoninen sy\u00f6ksykohtaus. Kuinka korkealta vene oikein putoaa tuossa huipennuksessa? Virallisen opaskirjan mukaan <b>suurin pudotus on 16 metri\u00e4<\/b>.<\/p>\n<p>Se vastaa suurin piirtein kolmikerroksisen koulurakennuksen korkeutta, jolta sy\u00f6ksyt\u00e4\u00e4n alas vett\u00e4 roiskuen! Jos et ole koskaan k\u00e4ynyt Splash Mountainissa, katso <a href=\"https:\/\/youtu.be\/AmPPm3O-mWA?si=eMhjVsOJircz1b1V&amp;t=420\">t\u00e4m\u00e4 video<\/a> noin kohdasta 7 minuuttia. T\u00e4lt\u00e4 n\u00e4ytt\u00e4\u00e4 16-metrinen vesiputous!<\/p>\n<p><iframe loading=\"lazy\" title=\"\ud83d\udd34\u6771\u4eac\u30c7\u30a3\u30ba\u30cb\u30fc\u30e9\u30f3\u30c9 \u30b9\u30d7\u30e9\u30c3\u30b7\u30e5\u30de\u30a6\u30f3\u30c6\u30f3\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/AmPPm3O-mWA?start=420&amp;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><\/p>\n<p>Virallista opaskirjaa tarkemmin tutkimalla l\u00f6ytyi my\u00f6s seuraavat viralliset tiedot:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34248 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/284dbd6cf259096428d10817c9b169c4.jpg\" alt=\"\" width=\"270\" height=\"192\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/284dbd6cf259096428d10817c9b169c4.jpg 436w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/284dbd6cf259096428d10817c9b169c4-300x213.jpg 300w\" sizes=\"auto, (max-width: 270px) 100vw, 270px\" \/><\/p>\n<p style=\"text-align: center;\">Kokonaispituus: 850 m<br \/>\nVesim\u00e4\u00e4r\u00e4: 110 tonnia minuutissa<br \/>\nSuurin kaltevuus: 45 astetta<br \/>\nHuippunopeus: 62 km\/h<\/p>\n<p>Fysiikan yst\u00e4ville n\u00e4m\u00e4 luvut ovat kiehtovia \u2014 ne suorastaan kutsuvat laskemaan!<\/p>\n<h3>L\u00e4hdin ker\u00e4\u00e4m\u00e4\u00e4n oikeaa dataa!<\/h3>\n<p>En malttanut olla testaamatta asiaa itse. Kouluretken valvonnan vapaa-ajalla k\u00e4vin Splash Mountainissa per\u00e4ti kolme kertaa (koska en pid\u00e4 huimap\u00e4isist\u00e4 laitteista, t\u00e4m\u00e4 oli minulle melkein hengenvaarallista!). Pidin mukanani korkeusmittaria ja kiihtyvyysanturia ker\u00e4\u00e4m\u00e4ss\u00e4 dataa. Tulokset vahvistivat, ett\u00e4 pudotus on todellakin noin 16 metri\u00e4.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-42017 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/11\/65cd7837b6a4eba7962a8e69521afee0.jpg\" alt=\"\" width=\"625\" height=\"452\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/11\/65cd7837b6a4eba7962a8e69521afee0.jpg 1048w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/11\/65cd7837b6a4eba7962a8e69521afee0-300x217.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/11\/65cd7837b6a4eba7962a8e69521afee0-1024x741.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/11\/65cd7837b6a4eba7962a8e69521afee0-768x555.jpg 768w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/p>\n<p>Kuvaajasta n\u00e4kee selv\u00e4sti, kuinka vene nousee kahdesti, putoaa kolme pient\u00e4 p\u00e4tk\u00e4\u00e4 ja tekee lopuksi suuren nousun ennen ikonista sy\u00f6ksy\u00e4.<\/p>\n<p style=\"text-align: center;\">\u203b Raakadata ja vertailut muihin laitteisiin (kuten Space Mountain ja Big Thunder Mountain) l\u00f6ytyv\u00e4t erillisest\u00e4 artikkelistani.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"ten7ZHxIhB\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=39073\">\u30b9\u30d7\u30e9\u30c3\u30b7\u30e5\u30de\u30a6\u30f3\u30c6\u30f3\u306e\u9ad8\u5ea6\u30fb\u52a0\u901f\u5ea6\u306e\u4e00\u90e8\u59cb\u7d42\u3092\u6e2c\u3063\u3066\u898b\u305f\u3010\u30c7\u30a3\u30ba\u30cb\u30fc\u30e9\u30f3\u30c9\u7269\u7406\u5b66\u3011<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u30b9\u30d7\u30e9\u30c3\u30b7\u30e5\u30de\u30a6\u30f3\u30c6\u30f3\u306e\u9ad8\u5ea6\u30fb\u52a0\u901f\u5ea6\u306e\u4e00\u90e8\u59cb\u7d42\u3092\u6e2c\u3063\u3066\u898b\u305f\u3010\u30c7\u30a3\u30ba\u30cb\u30fc\u30e9\u30f3\u30c9\u7269\u7406\u5b66\u3011\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=39073&amp;embed=true#?secret=NSdiqv7ylH#?secret=ten7ZHxIhB\" data-secret=\"ten7ZHxIhB\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<h3>Lasketaan! Nyt on fysiikan vuoro<\/h3>\n<p>T\u00e4st\u00e4 alkaa fysiikan todellinen taika. Splash Mountainin veneess\u00e4 ei ole moottoria, vaan se putoaa korkeimmasta kohdasta pelk\u00e4n painovoiman varassa. T\u00e4llaisessa tapauksessa voimme k\u00e4ytt\u00e4\u00e4 <b>mekaanisen energian s\u00e4ilymislakia<\/b> ja ennustaa nopeuden pelk\u00e4n pudotuskorkeuden perusteella.<\/p>\n<p><b><span style=\"font-size: 14px;\">K\u00e4ytett\u00e4v\u00e4 fysiikan kaava<\/span><\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34243 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/c4a9c7b0fcfb40997e4619d7d000ec89.jpg\" alt=\"\" width=\"356\" height=\"236\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/c4a9c7b0fcfb40997e4619d7d000ec89.jpg 586w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/c4a9c7b0fcfb40997e4619d7d000ec89-300x199.jpg 300w\" sizes=\"auto, (max-width: 356px) 100vw, 356px\" \/><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65736\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-25-4.51.29.jpeg\" alt=\"\" width=\"371\" height=\"105\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-25-4.51.29.jpeg 784w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-25-4.51.29-300x85.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-25-4.51.29-768x217.jpeg 768w\" sizes=\"auto, (max-width: 371px) 100vw, 371px\" \/><\/p>\n<p>T\u00e4ss\u00e4:<br \/>\ng = 9.8 m\/s\u00b2 (putoamiskiihtyvyys)<br \/>\nh = 16 m (korkeus)<\/p>\n<p>Kun laskemme t\u00e4m\u00e4n:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65737 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-25-4.51.34.jpeg\" alt=\"\" width=\"445\" height=\"46\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-25-4.51.34.jpeg 716w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-25-4.51.34-300x31.jpeg 300w\" sizes=\"auto, (max-width: 445px) 100vw, 445px\" \/><\/p>\n<p>Muunnettuna kilometreiksi tunnissa tulos on noin 64 km\/h. Ja katsohan \u2014 se vastaa melkein t\u00e4ydellisesti virallista huippunopeutta 62 km\/h! Fysiikan laskelmat ovat todella ihmeellisi\u00e4, eik\u00f6?<\/p>\n<h3>Vinkit oppitunnille!<\/h3>\n<p>Koska moni oppilas on itse k\u00e4ynyt laitteessa, aiheen alustus sujuu eritt\u00e4in jouhevasti. Se on loistava sovellusesimerkki energian s\u00e4ilymislaista, ja se yhdist\u00e4\u00e4 &#8220;oman kokemuksen ja teorian&#8221;, mik\u00e4 lis\u00e4\u00e4 oppimisintoa.<\/p>\n<p>Samalla menetelm\u00e4ll\u00e4 voidaan laskea my\u00f6s <a href=\"https:\/\/youtu.be\/tWUVxOroLhs?si=jQ_JSSDr4se1t1pm\">Fuji-Q Highlandin FUJIYAMA-vuoristoradan<\/a> nopeus.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65725 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-24-16.49.00.jpeg\" alt=\"\" width=\"455\" height=\"359\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-24-16.49.00.jpeg 1034w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-24-16.49.00-300x237.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-24-16.49.00-1024x808.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-24-16.49.00-768x606.jpeg 768w\" sizes=\"auto, (max-width: 455px) 100vw, 455px\" \/><\/p>\n<p><iframe loading=\"lazy\" title=\"\ud83d\udd34\u5bcc\u58eb\u6025\u30cf\u30a4\u30e9\u30f3\u30c9 \u30d5\u30b8\u30e4\u30de2 \/ Fujiyama 2 at Yamanashi FujiQ highland\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/tWUVxOroLhs?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><\/p>\n<p>FUJIYAMAn virallisilla verkkosivuilla ilmoitetaan: <b>suurin pudotus 70 m, huippunopeus 130 km\/h<\/b>.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.fujiq.jp\/attraction\/fujiyama.html\">Fuji-Q Highlandin FUJIYAMA-laitteen viralliset tiedot<\/a><\/p>\n<p>Lasketaanpa mekaanisen energian s\u00e4ilymislain avulla! Sijoitetaan korkeudeksi (h) 70 metri\u00e4:<\/p>\n<p style=\"text-align: center;\">v=\u221a(2\u00d79.8\u00d770)<\/p>\n<p>Tulokseksi saadaan v = 37 m\/s, mik\u00e4 on tunnissa 133.2 km\/h \u2014 eli eritt\u00e4in l\u00e4hell\u00e4 todellista arvoa! Mielenkiintoista, eik\u00f6? Mutta miksi sek\u00e4 Splash Mountainin ett\u00e4 FUJIYAMAn todellinen huippunopeus on hieman pienempi kuin teoreettinen laskennallinen arvo?<\/p>\n<h3>Miksi teoreettinen ja mitattu arvo poikkeavat toisistaan?<\/h3>\n<p>Laskelmissamme teoreettinen nopeus oli hieman suurempi kuin todellinen huippunopeus. T\u00e4m\u00e4 ero johtuu p\u00e4\u00e4asiassa <b>ilmanvastuksesta<\/b> ja <b>kitkasta<\/b>. Kiskojen ja py\u00f6rien v\u00e4linen kitka sek\u00e4 veden vastus muuntavat osan mekaanisesta energiasta l\u00e4mp\u00f6- ja \u00e4\u00e4nienergiaksi. T\u00e4rkeint\u00e4 on ymm\u00e4rt\u00e4\u00e4, ett\u00e4 energia ei katoa, vaan se vain muuttaa muotoaan! T\u00e4m\u00e4 on hieno tilaisuus ymm\u00e4rt\u00e4\u00e4 energian s\u00e4ilymislaki entist\u00e4 syv\u00e4llisemmin. Se auttaa hahmottamaan eron &#8220;t\u00e4ydellisen s\u00e4ilymisen&#8221; (ihanteellisissa olosuhteissa) ja reaalimaailman &#8220;energian muuntumisen&#8221; v\u00e4lill\u00e4.<\/p>\n<h3>Vaikka ulkoisia voimia on l\u00e4sn\u00e4, miksi energia s\u00e4ilyy?<\/h3>\n<p>Vuoristoradoissa ja heilureissa mekaaninen energia (liike- + potentiaali- + kimmoenergia) s\u00e4ilyy l\u00e4hes t\u00e4ydellisesti. Mutta mietit\u00e4\u00e4np\u00e4 hetki: vuoristorataan (tai heiluriin) vaikuttaa ulkoisia voimia, kuten tukivoima (tai j\u00e4nnitysvoima). Kun ulkoisia voimia on l\u00e4sn\u00e4, mekaanisen energian ei pit\u00e4isi s\u00e4ily\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34250 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/4c6b0d20babac83068faf99d9515fce1.jpg\" alt=\"\" width=\"218\" height=\"201\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/4c6b0d20babac83068faf99d9515fce1.jpg 416w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/4c6b0d20babac83068faf99d9515fce1-300x277.jpg 300w\" sizes=\"auto, (max-width: 218px) 100vw, 218px\" \/><\/p>\n<p>Mist\u00e4 t\u00e4ss\u00e4 on kyse?<\/p>\n<p>Syy on siin\u00e4, ett\u00e4 tukivoima ja j\u00e4nnitysvoima vaikuttavat aina <b>kohtisuorassa<\/b> kappaleen liikesuuntaa vastaan. Liikesuuntaa vastaan kohtisuorassa olevan voiman tekem\u00e4 ty\u00f6 on 0, joten voimme keskitty\u00e4 pelk\u00e4st\u00e4\u00e4n mekaaniseen energiaan. T\u00e4m\u00e4 sama periaate p\u00e4tee my\u00f6s Maata kiert\u00e4vien satelliittien radan laskemisessa. Ympyr\u00e4radalla Maan vetovoima vaikuttaa l\u00e4hes kohtisuorassa liikesuuntaan n\u00e4hden, mink\u00e4 vuoksi satelliitin nopeus pysyy tasaisena ilman ty\u00f6n tekoa (&#8220;ty\u00f6 = 0&#8221;). Vuoristoradan fysiikka liittyy siis suoraan my\u00f6s avaruuden mittakaavaan!<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-34251\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/c7b80d335aaa28806910324a263c17d9.jpg\" alt=\"\" width=\"288\" height=\"234\" \/><\/p>\n<p style=\"text-align: center;\">Heilurin tapauksessa<\/p>\n<p>Tukivoiman ja j\u00e4nnitysvoiman suuruuden laskeminen suoraan on monimutkaista, mutta koska ne eiv\u00e4t tee ty\u00f6t\u00e4, mekaaninen energia s\u00e4ilyy riippumatta kuljetusta reitist\u00e4. (Miten n\u00e4m\u00e4 voimat sitten vaikuttavat liikkeeseen? T\u00e4t\u00e4 kannattaa pohtia!)<\/p>\n<p>T\u00e4ll\u00e4 periaatteella voidaan laskea vaikkapa Alppien tytt\u00f6 Heidi -animaatiosarjan keinun nopeus! Kyseess\u00e4 on se <a href=\"https:\/\/youtu.be\/h0MreS3bWak?si=L-yicYwgvqs0-CKn&amp;t=28\">j\u00e4ttim\u00e4inen keinu<\/a>, joka n\u00e4kyy alkutunnuksessa.<\/p>\n<p><iframe loading=\"lazy\" title=\"HD \u30a2\u30eb\u30d7\u30b9\u306e\u5c11\u5973\u30cf\u30a4\u30b8 OP\" width=\"1140\" height=\"855\" src=\"https:\/\/www.youtube.com\/embed\/h0MreS3bWak?start=28&amp;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><\/p>\n<p>Jos keinun k\u00f6yden pituus on esimerkiksi 30 metri\u00e4 (se voidaan arvioida keinun jaksonajasta) ja kulma on 60\u00b0, mik\u00e4 on nopeus alimmassa kohdassa? Vaikka Heidi hymyilee iloisesti, laskelmat osoittavat, ett\u00e4 kyseess\u00e4 on melkoinen vuoristorata!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34252 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/b1b4c9061cb57c8695590dfa53e317ba.jpg\" alt=\"\" width=\"362\" height=\"286\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/b1b4c9061cb57c8695590dfa53e317ba.jpg 640w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/b1b4c9061cb57c8695590dfa53e317ba-300x237.jpg 300w\" sizes=\"auto, (max-width: 362px) 100vw, 362px\" \/><\/p>\n<p>Kokeile laskea t\u00e4m\u00e4 itse! Jos haluat tiet\u00e4\u00e4 vastauksen, katso t\u00e4\u00e4lt\u00e4: \u2192<a href=\"https:\/\/youtu.be\/ukB3hcZzS0E\">Mekaanisen energian s\u00e4ilyminen (keinu)<\/a><\/p>\n<h3>Yhteenveto<\/h3>\n<p>Tutut huvipuistolaitteet voidaan selitt\u00e4\u00e4 oppikirjan tiedoilla \u2014 t\u00e4m\u00e4n oppitunnin suurin arvo on auttaa kokemaan &#8220;arkiymp\u00e4rist\u00f6n ja tieteen v\u00e4linen yhteys&#8221;. Oppiminen ei tapahdu vain luokkahuoneessa. My\u00f6s huvipuisto voi olla mahtava oppimateriaali!<\/p>\n<h3>Ota yhteytt\u00e4 ja kysy lis\u00e4\u00e4!<\/h3>\n<p>Tuo tieteen ihmeet ja riemu l\u00e4hemm\u00e4s arkea! Olen koonnut helppoja ja hauskoja kotikokeiluja sek\u00e4 hy\u00f6dyllisi\u00e4 vinkkej\u00e4. Tutustu sivuillamme oleviin aineistoihin!<br \/>\n\u2022 Science Notes -sis\u00e4ll\u00f6t ovat nyt saatavilla kirjana! Lue lis\u00e4\u00e4 <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n\u2022 Lue lis\u00e4\u00e4 sivuston yll\u00e4pit\u00e4j\u00e4st\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n\u2022 Kaikki yhteisty\u00f6pyynn\u00f6t (kirjoitusty\u00f6t, luennot, tiedety\u00f6pajat, TV-konsultointi ja esiintymiset): <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">ota yhteytt\u00e4 t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n<span class=\"s2\">\u2022 Seuraa uusimpia p\u00e4ivityksi\u00e4mme <a href=\"https:\/\/x.com\/kuwako\">X-palvelussa (Twitter)<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a>Katso koe-esitysvideoita <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tiedekanavallamme YouTube-palvelussa<\/a>!<\/p>\n<h3><span style=\"color: #ff0000;\">NEW\u3000\u5206\u89e3\u554f\u984c\u96c6\u3000\u7406\u79d1<\/span><\/h3>\r\n<ul>\r\n \t<li>\uff17\u6708\uff12\uff11\u65e5\u767a\u58f2\uff01\u300e<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\">\u9ad8\u6821\u5165\u8a66 \u5206\u89e3\u554f\u984c\u96c6 \u7406\u79d1<\/a>\u300f\uff08\u5b66\u7814\uff09\u2026\u96e3\u3057\u3044\u554f\u984c\u3082\u5c0f\u3055\u306a\u554f\u984c\u306b\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3093\u306a\u5206\u89e3\u306e\u6280\u8853\u304c\u8eab\u306b\u3064\u304f\u3088\u3046\u306b\u6df1\u304f\u95a2\u308f\u308a\u3092\u6301\u3063\u3066\u4f5c\u308a\u307e\u3057\u305f\u3002\r\n<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\"><img class=\"alignnone  wp-image-65097 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-04-8.40.17.jpeg\" alt=\"\" width=\"172\" height=\"244\" \/><\/a><\/li>\r\n<\/ul>\r\n<h3>\uff17\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p style=\"text-align: center;\">\u590f\u3067\u30d7\u30b7\u30e5\u30c3\u3068\u723d\u3084\u304b\u5b9f\u9a13\uff01<\/p>\r\n<img class=\"alignnone  wp-image-64964 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.31.58.jpeg\" alt=\"\" width=\"250\" height=\"310\" \/>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=206\">\u5c0f\u578b\u3067\u6301\u3061\u5e30\u308c\u308b\u3088\uff01\u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u30ed\u30b1\u30c3\u30c8\u3092\u4f5c\u308d\u3046\uff01<\/a><\/p>\r\n\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u76e3\u4fee\u30fb\u30a4\u30d9\u30f3\u30c8\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n \t<li>\uff17\u6708\uff11\uff18\u65e5\uff08\u571f\uff09\u300c<a href=\"https:\/\/official.idolfes.com\/s\/tif2026\/page\/broadcast\">TIF\u3000presents\u3000ONE\u3000SONG\u3000FES. <\/a>\u300d\uff08\u30d5\u30b8\u30c6\u30ec\u30d3\uff09<\/li>\r\n \t<li>7\u670818\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d<\/a><\/li>\r\n \t<li>7\u670823\u65e5\uff08\u6728\uff09\u79d1\u5b66\u76e3\u4fee\u300019:00\u301c\u3000<a href=\"https:\/\/www.ntv.co.jp\/toppa\/\">THE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb<\/a>\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09<\/li>\r\n \t<li>\uff17\u6708\uff13\uff10\u65e5\uff08\u6c34\uff09\u3000\u76e3\u4fee\u3057\u305f\u30c6\u30ec\u30d3\u756a\u7d44\u653e\u9001\u4e88\u5b9a<\/li>\r\n \t<li>12\u670826\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=64825\">\u30ca\u30ea\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\uff08\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\uff09\u958b\u50ac<\/a><\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n \t<li>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09\r\n<img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/><\/strong><\/li>\r\n \t<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002\r\n<img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"text-align: center;\">\u5404\u7a2eSNS\uff08\u66f4\u65b0\u60c5\u5831\u3092\u304a\u5c4a\u3051\uff01\uff09<\/span><\/h3>\r\n<p style=\"text-align: center;\">\u3010\u65e5\u672c\u8a9e\u3011<a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a>\u3000\u3010\u82f1\u8a9e\u3011<a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a><\/p>\r\n\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/www.youtube.com\/c\/kkuwako\">Youtube<\/a>\u2026\u79d1\u5b66\u5b9f\u9a13\u7b49\u306e\u52d5\u753b\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/music.youtube.com\/playlist?list=PLoK4ZvKN9S2NgpYIochcQs0aL-vrRB_Qw\">\u79d1\u5b66\u30e9\u30b8\u30aa<\/a>\u00a0\u2026\u79d1\u5b66\u30c8\u30d4\u30c3\u30af\u3092\u307b\u307c\u6bce\u65e5\u914d\u4fe1\u4e2d\uff01AI\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u4f5c\u6210\u3057\u305f\u300c\u8033\u3067\u697d\u3057\u3080\u79d1\u5b66\u300d\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=20940\">\u8b1b\u6f14<\/a>\u00a0\u2026\u5168\u56fd\u5404\u5730\u3067\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u30fb\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u7b49\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u00a0\u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Hei! Olen tiedevalmentaja Ken Kuwako. Minulle jokainen p\u00e4iv\u00e4 on kokeilu! Tiesitk\u00f6, ett\u00e4 Disneylandin Splash Mo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":65724,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","sns_share_botton_hide":"","vkExUnit_sns_title":"","vkexunit_cta_each_option":"","_lightning_design_setting":{"layout":"default"},"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1630],"tags":[],"class_list":["post-65747","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-24-16.47.08.jpeg","jetpack-related-posts":[{"id":65458,"url":"https:\/\/phys-edu.net\/wp\/?p=65458&lang=fi","url_meta":{"origin":65747,"position":0},"title":"Punaiset sudenkorennot palaavat &#8220;kes\u00e4m\u00f6kilt\u00e4&#8221;! Akiakanen salattu matkan tarina","author":"\u6851\u5b50 \u7814","date":"2026\u5e747\u670818\u65e5","format":false,"excerpt":"Olen Science Trainer Kuwako Ken. Joka p\u00e4iv\u00e4 on uus\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/23e4ff911446de17c2d3621b562aea00.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/23e4ff911446de17c2d3621b562aea00.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/23e4ff911446de17c2d3621b562aea00.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/23e4ff911446de17c2d3621b562aea00.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/23e4ff911446de17c2d3621b562aea00.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":58467,"url":"https:\/\/phys-edu.net\/wp\/?p=58467&lang=fi","url_meta":{"origin":65747,"position":1},"title":"Maailmankaikkeuden laidalta atomin sis\u00e4\u00e4n! 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Minulle jokain\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":60723,"url":"https:\/\/phys-edu.net\/wp\/?p=60723&lang=fi","url_meta":{"origin":65747,"position":2},"title":"Kaksi BeeSpi\u00e4, yksi nerokas temppu! 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