[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.ha-ro.cz\/nenechavejte-bazen-dlouho-odkryty-kdyz-se-v-nem-nekoupete\/#Article","mainEntityOfPage":"https:\/\/www.ha-ro.cz\/nenechavejte-bazen-dlouho-odkryty-kdyz-se-v-nem-nekoupete\/","headline":"Nenech\u00e1vejte baz\u00e9n dlouho odkryt\u00fd, kdy\u017e se v n\u011bm nekoupete","name":"Nenech\u00e1vejte baz\u00e9n dlouho odkryt\u00fd, kdy\u017e se v n\u011bm nekoupete","description":"Bav\u00ed v\u00e1s matematika, nebo jste ji ve \u0161kole nen\u00e1vid\u011bli? Pokud ji zrovna nemus\u00edte, mo\u017en\u00e1 v\u00e1m sch\u00e1zela jej\u00ed...","datePublished":"2022-05-06","dateModified":"2023-05-06","author":{"@type":"Person","@id":"https:\/\/www.ha-ro.cz\/author\/#Person","name":"","url":"https:\/\/www.ha-ro.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/390ba47df5874845ef3762ac16ecd0a67f4e30c13cbb7c7ee444ade303aa885b?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/390ba47df5874845ef3762ac16ecd0a67f4e30c13cbb7c7ee444ade303aa885b?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"ha-ro.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.ha-ro.cz\/wp-content\/uploads\/pool-5173672_640.jpg","url":"https:\/\/www.ha-ro.cz\/wp-content\/uploads\/pool-5173672_640.jpg","height":0,"width":0},"url":"https:\/\/www.ha-ro.cz\/nenechavejte-bazen-dlouho-odkryty-kdyz-se-v-nem-nekoupete\/","about":["Produkty"],"wordCount":487,"articleBody":"   Bav\u00ed v\u00e1s matematika, nebo jste ji ve \u0161kole nen\u00e1vid\u011bli? Pokud ji zrovna nemus\u00edte, mo\u017en\u00e1 v\u00e1m sch\u00e1zela jej\u00ed z\u00e1bavn\u00e1 forma pro lep\u0161\u00ed pochopen\u00ed. Mo\u017en\u00e1 to chce v\u00edce praktick\u00fdch uk\u00e1zek z re\u00e1ln\u00e9ho \u017eivota, a ne jen matematiku ch\u00e1pat jako ryze abstraktn\u00ed v\u011bdu.Jedn\u00edm z p\u0159\u00edklad\u016f, jak si ji procvi\u010dit, a z\u00e1rove\u0148 ji smyslupln\u011b vyu\u017e\u00edt, je objem vody v baz\u00e9nu, resp. jeho plocha, v z\u00e1vislosti na rychlosti vypa\u0159ov\u00e1n\u00ed vody. Kdy\u017e si toti\u017e koup\u00edte sol\u00e1rn\u00ed plachtu na baz\u00e9n chlorito.cz, jeden z d\u016fvod\u016f, pro\u010d ji tam um\u00edstit v dob\u011b, kdy se v n\u011bm nekoupeme, je vodn\u00ed v\u00fdpar. Plachta dok\u00e1\u017ee zamezit vypa\u0159ov\u00e1n\u00ed vody do zna\u010dn\u00e9 m\u00edry, a abychom pochopili, \u017ee nejde jen o reklamn\u00ed z\u00e1le\u017eitost, jak z v\u00e1s tahat pen\u00edze, provedeme p\u00e1r jednoduch\u00fdch matematick\u00fdch v\u00fdpo\u010dt\u016f:Kdy\u017e nav\u0161t\u00edv\u00edte venkovn\u00ed plaveck\u00fd are\u00e1l (ve\u0159ejn\u00e9 koupali\u0161t\u011b) s baz\u00e9nem \u201epades\u00e1tkou\u201c o rozm\u011brech 50 x 25 metr\u016f, rozhl\u00e9dnete se po blankytn\u011b modr\u00e9 hladin\u011b a budete se t\u011b\u0161it, a\u017e se pod n\u00ed pono\u0159\u00edte. A\u017e to ud\u011bl\u00e1te, vzpome\u0148te si na to, \u017ee se odtud vypa\u0159\u00ed ka\u017edou minutu zhruba p\u011bt a p\u016fl litru vody. Napadne v\u00e1s, \u017ee to nen\u00ed nijak z\u00e1vratn\u00e9 mno\u017estv\u00ed, ale vyn\u00e1sobte si to po\u010dtem minut za hodinu a po\u010dtem hodin za den a pak po\u010dtem dn\u016f v m\u011bs\u00edci, a zjist\u00edte, \u017ee ka\u017ed\u00fd m\u011bs\u00edc provozu takov\u00e9ho sportovi\u0161t\u011b mus\u00ed provozovatel do n\u00e1dr\u017ee doplnit zhruba 235 tis\u00edc litr\u016f vody. Vyn\u00e1sobte si to cenou vodn\u00e9ho a sto\u010dn\u00e9ho a proto\u010d\u00ed se v\u00e1m panenky.Aby se v\u00e1m neprot\u00e1\u010dely panenky u v\u00e1s doma, pokud m\u00e1te na zahrad\u011b i docela mal\u00fd baz\u00e9n o pr\u016fm\u011bru \u010dty\u0159i metry, slou\u017e\u00ed pr\u00e1v\u011b sol\u00e1rn\u00ed plachta. Na n\u00ed se zachyt\u00ed vodn\u00ed p\u00e1ra, kter\u00e1 z baz\u00e9nu unik\u00e1, a vysr\u00e1\u017e\u00ed se do podoby vody, na\u010de\u017e se vr\u00e1t\u00ed zp\u011bt do n\u00e1dr\u017ee, tak\u017ee se z baz\u00e9nu nevypa\u0159\u00ed t\u00e9m\u011b\u0159 nic. A kolik t\u00edm u\u0161et\u0159\u00edte? Pro kulat\u00fd baz\u00e9n plat\u00ed vzorec  http:\/\/www.sazkove-kancelare.com\/kellyho-kriterium\/ pro v\u00fdpo\u010det plochy hladiny 3,14 x pr\u016fm\u011br (4 metry) = 12,56 m2. Za den se z jednoho \u010dtvere\u010dn\u00edho metru odpa\u0159\u00ed zhruba 6 litr\u016f vody, tak\u017ee 6 x 12,56 = p\u0159ibli\u017en\u011b 75 litr\u016f. Za m\u011bs\u00edc to d\u011bl\u00e1 dva a \u010dtvrt kub\u00edku vody. Pak u\u017e sta\u010d\u00ed jen propo\u010d\u00edtat, jak dlouho je baz\u00e9n v provozu, a ode\u010d\u00edst od toho cenu sol\u00e1rn\u00ed plachty, abyste zjistili, za jak dlouho v\u00e1m plachta za\u010dne \u0161et\u0159it va\u0161i pen\u011b\u017eenku.                                                                                                                                                                                                                                                                                                                                                                                          3.9\/5 - (11 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Nenech\u00e1vejte baz\u00e9n dlouho odkryt\u00fd, kdy\u017e se v n\u011bm nekoupete","item":"https:\/\/www.ha-ro.cz\/nenechavejte-bazen-dlouho-odkryty-kdyz-se-v-nem-nekoupete\/#breadcrumbitem"}]}]