{"id":3326,"date":"2022-04-04T10:09:00","date_gmt":"2022-04-04T08:09:00","guid":{"rendered":"https:\/\/eldar.cz\/tompatrick\/?p=3326"},"modified":"2022-03-13T11:17:09","modified_gmt":"2022-03-13T09:17:09","slug":"cast-14-muka-u-tabule","status":"publish","type":"post","link":"https:\/\/eldar.cz\/tompatrick\/citymeans\/city-means-i-mesto-plne-navratu\/cast-14-muka-u-tabule","title":{"rendered":"Kapitola 14 – Muka u tabule"},"content":{"rendered":"
\n \n \"Fb-Button\"\n <\/a>\n <\/div>
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Martinovi nezbylo nic jin\u00e9ho, ne\u017e profesorce nedobrovoln\u011b vyhov\u011bt.<\/span><\/p>\n

\u201ePokud byste byl \u0159\u00e1dn\u011b p\u0159i smyslech, tak by v\u00e1m v u\u0161\u00edch utkv\u011blo, \u017ee jsem tu hovo\u0159ila o hmotn\u00e9m bodu, k jeho\u017e ur\u010den\u00ed pou\u017e\u00edv\u00e1me r\u016fzn\u00e9 sou\u0159adnicov\u00e9 soustavy. Na\u010drtn\u011bte tedy na tabuli kart\u00e9zsk\u00e9 sou\u0159adnice pr\u016fvodi\u010de <\/span>r<\/i>.\u201d<\/p>\n

Martin byl v \u00fazk\u00fdch. O t\u00e9hle l\u00e1tce sly\u0161el zhruba p\u0159ed rokem a to je\u0161t\u011b kdov\u00ed jestli, te\u010f m\u011bl v hlav\u011b ale \u00fapln\u011b vymeteno. Pokusil se dost riskantn\u011b vym\u00e1mit odpov\u011b\u010f od n\u011bkoho z prvn\u00edch lavic. Byl to jen pokus, a u\u017e p\u0159edem odsouzen\u00fd k\u00a0nezdaru…<\/span><\/p>\n

\u201eTam nevejrejte, tady je te\u010f va\u0161e pole p\u016fsobnosti!\u201d ok\u0159ikla Martina profesorka fyziky a pleskla r\u00e1zn\u011b do tabule.<\/span><\/p>\n

Martin si vzal od n\u00ed k\u0159\u00eddu a p\u0159istoupil k lev\u00e9mu k\u0159\u00eddlu tabule, st\u00e1le ale nev\u011bd\u011bl, co si po\u010d\u00edt.<\/span><\/p>\n

\u201eTak co, bude se n\u011bco d\u00edt? \u0160up, sou\u0159adnice <\/span>IKS, ypsilon, zet <\/i>a a\u0165 to l\u00edt\u00e1.\u201d<\/span><\/p>\n

Martin se rozhodl, \u017ee se s Moronovou nebude h\u00e1dat a n\u011bjak to jej\u00ed hudrov\u00e1n\u00ed u tabule p\u0159estoj\u00ed. Sv\u00e9 si koneckonc\u016f u\u017eil ji\u017e p\u0159i v\u010derej\u0161\u00edm pozdn\u00edm p\u0159\u00edjezdu dom\u016f, kdy mu bylo vyt\u00fdk\u00e1no promo\u010den\u00e9 oble\u010den\u00ed a<\/span> \u017ee jezd\u00ed potm\u011b, co\u017e je velmi nebezpe\u010dn\u00e9. Marn\u011b se <\/span>h\u00e1jil t\u00edm, \u017ee mu d\u011blali spole\u010dnost Kristi\u00e1n s Nolou, tak\u017ee s\u00e1m rozhodn\u011b nejel, a \u017ee nen\u00ed \u017e\u00e1dn\u00fd kouzeln\u00edk, aby de\u0161ti poru\u010dil: <\/span>Usta\u0148<\/i><\/span>!<\/i> V\u0161e na sv\u011bt\u011b mu najednou p\u0159i\u0161lo stra\u0161n\u011b zbyte\u010dn\u00e9 a f\u00e1dn\u00ed a podle toho se sna\u017eil nyn\u00ed tak\u00e9 jednat. P\u0159estal v ruce \u017emoulat k\u0159\u00eddu, na\u010drtl na tabuli t\u0159i vodorovn\u00e9 \u010d\u00e1ry a ka\u017ed\u00e9 z nich p\u0159isoudil p\u0159\u00edslu\u0161n\u00e9 ozna\u010den\u00ed.<\/span><\/p>\n

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Profesorka Moronov\u00e1 na ten v\u00fdtvor dobrou minutu civ\u011bla s nesm\u00edrn\u00fdm opovr\u017een\u00edm, jako by si kousla do n\u011b\u010deho ho\u0159k\u00e9ho. \u201eTohle \u017ee je kart\u00e9zsk\u00e1 sou\u0159adnice pr\u016fvodi\u010de <\/span>r<\/i>? V\u017edy\u0165 ty osy <\/span>zet <\/i>a iks <\/i>v\u016fbec nemaj\u00ed v\u00e9st vodorovn\u011b!\u201d zahudrovala kone\u010dn\u011b. P\u0159istoupila k tabuli, p\u0159e\u0161krtla Martin\u016fv pokus a obr\u00e1zek n\u00e1le\u017eit\u011b p\u0159ekreslila.<\/span><\/p>\n

\u201eChach\u00e1, Iks<\/i>,\u201d zazn\u011blo pom\u011brn\u011b sly\u0161iteln\u011b znovu ze zadn\u00edch lavic a Martin se nemusel ani p\u0159\u00edli\u0161 nam\u00e1hat s<\/span>\u00a0identifikac\u00ed toho, kdo to vyk\u0159ikuje.<\/span><\/p>\n

\u201eZat\u00edm by to bylo za p\u011bt, Ronsk\u00fd! Sardel! Pokud m\u011b je\u0161t\u011b sta\u010d\u00edte vn\u00edmat a nejste zas my\u0161lenkama \u00fapln\u011b n\u011bkde jinde,\u201d zam\u00e1vala Martinovi profesorka fyziky p\u0159ed o\u010dima. Pak se odporou\u010dela ke stolu a za\u010dala se na n\u011bm p\u0159ehrabovat v jak\u00fdchsi testech. \u201ePi\u0161te si p\u0159\u00edklad:<\/span> Kapalina v u\u017e\u0161\u00edm v\u00e1lci hydraulick\u00e9ho lisu je uzav\u0159ena p\u00edstem o obsahu dvakr\u00e1t deset na minus t\u0159et\u00ed metr\u016f \u010dtvere\u010dn\u00edch, na kter\u00fd p\u016fsob\u00ed s\u00edla o velikosti \u0161edes\u00e1t \u0148\u016ftn\u016f. P\u00edst v \u0161ir\u0161\u00edm v\u00e1lci m\u00e1 obsah \u0161estkr\u00e1t deset na minus t\u0159et\u00ed metr\u016f \u010dtvere\u010dn\u00edch. Kapalinu pova\u017eujeme za ide\u00e1ln\u00ed. Jak\u00fd tlak vyvol\u00e1 v kapalin\u011b s\u00edla p\u016fsob\u00edc\u00ed na p\u00edst v u\u017e\u0161\u00edm v\u00e1lci?\u201d<\/span><\/p>\n

Martin si ani nesta\u010dil na tabuli napsat zad\u00e1n\u00ed, kdy\u017e profesorka Moronov\u00e1 ze sebe sta\u010dila vychrlit ji\u017e druhou podot\u00e1zku.<\/span><\/p>\n

\u201eA za druh\u00e9: jak velk\u00e1 tlakov\u00e1 s\u00edla p\u016fsob\u00ed na p\u00edst v \u0161ir\u0161\u00edm v\u00e1lci?\u201d<\/span><\/p>\n

\u201eEhm, promi\u0148te, pan\u00ed profesorko, jaksi jsem je\u0161t\u011b nesta\u010dil vst\u0159ebat va\u0161i prvn\u00ed ot\u00e1zku,\u201d p\u00edpl od tabule provinile Martin, kter\u00fd dosp\u011bl teprve k \u00fadaji, \u017ee lze jakousi kapalinu pova\u017eovat za ide\u00e1ln\u00ed, a to je\u0161t\u011b zva\u017eoval, jestli se n\u00e1hodou nep\u0159eslechl.<\/span><\/p>\n

\u201eNo jo, to se dalo \u010dekat, Ronsk\u00fd. V minul\u00e9m roce se to neslo v duchu \u00fapln\u011b stejn\u00e9ho sc\u00e9n\u00e1\u0159e. Zd\u00e1 se, \u017ee na po\u010d\u00e1tku leto\u0161n\u00edho ro\u010dn\u00edku za\u010d\u00edn\u00e1te piln\u011b pracovat na jeho pokra\u010dov\u00e1n\u00ed, \u017ee m\u00e1m pravdu, Ronsk\u00fd?\u201d vy\u0161t\u011bkla na Martina znovu \u00fato\u010dn\u011b<\/span> Moronov\u00e1. Pak se ale p\u0159ece jen trochu umoud\u0159ila a jen velice nerada mu do ruky vtiskla zad\u00e1n\u00ed. \u201eA posp\u011b\u0161te si s t\u00edm, tohle nen\u00ed pr\u00e1ce na celou hodinu, j\u00e1 pot\u0159ebuju taky vykl\u00e1dat novou l\u00e1tku. Tak \u0161up a douf\u00e1m, \u017ee se to nebude \u00falisn\u011b t\u00e1hnout jako s tou osou <\/span>IKS<\/i>!\u201c<\/p>\n

Martin se op\u011bt znechucen\u011b od profesor\u010dina stolu od\u0161oural k lev\u00e9mu k\u0159\u00eddlu tabule a za\u010dal na ni opisovat p\u0159\u00edklad, o jeho\u017e<\/span> \u0159e\u0161en\u00ed nem\u011bl sebemen\u0161\u00ed potuchy. P\u0159\u00edli\u0161 povzbuzen\u00ed do jeho mysli nevneslo ani ono Lekenerovo b\u016fhv\u00ed<\/span>kolik\u00e1t\u00e9 hanliv\u00e9 zvol\u00e1n\u00ed.<\/p>\n

\u201eLekenere, vy u\u017e ten p\u0159\u00edklad snad m\u00e1te v se\u0161it\u011b vy\u0159e\u0161enej, \u017ee tady m\u00e1te \u010das vyk\u0159ikovat n\u00e1zvy sou\u0159adnic?\u201d<\/span><\/p>\n

\u201eEhm, to ne, pan\u00ed profesorko, vlastn\u011b jsem ani nev\u011bd\u011bl, \u017ee si ten p\u0159\u00edklad m\u00e1me napsat do se\u0161itu a po\u010d\u00edtat ho, to jste n\u00e1m p\u0159ece ne\u0159\u00ed…\u201d<\/span><\/p>\n

\u201eCo\u017ee?!\u201d vybuchla vztekle profesorka Moronov\u00e1. \u201eSnad je jasn\u00fd, \u017ee kdy\u017e n\u011bkdo dostane u tabule p\u0159\u00edklad, kter\u00fd m\u00e1 \u0159e\u0161it, tak vy v\u0161ichni automaticky vyt\u00e1hnete z ta\u0161ek tu\u017eky, kalkula\u010dky a prav\u00edtka a za\u010dnete d\u011blat to sam\u00fd, a ne<\/span> \u017ee tady budete zb\u016fhdarma jen tak lelkovat, \u010du\u010det a \u010dekat, a\u017e to za v\u00e1s n\u011bkdo ud\u011bl\u00e1. To teda ne, Lekenere!\u201d<\/span><\/p>\n

Lekener a ostatn\u00ed studenti si hned opsali z tabule od Martina zad\u00e1n\u00ed a dali se do po\u010d\u00edt\u00e1n\u00ed. I jim dle <\/span>pr\u00e1zdn\u00e9ho v\u00fdrazu v o\u010d\u00edch za\u010dal p\u0159\u00edklad d\u011blat neskute\u010d<\/span>n\u00e9 pot\u00ed\u017ee.<\/p>\n

\u201eNo, Lekenere, tak za\u010dn\u011bte. Moc r\u00e1da se pod\u00edv\u00e1m na va\u0161e prvn\u00ed kroky,\u201d vyb\u00eddla ho profesorka, kdy\u017e k n\u011bmu pohotov\u011b docupitala.<\/span><\/p>\n

Lekener se pokusil zatv\u00e1\u0159it co mo\u017en\u00e1 nejp\u0159esv\u011bd\u010div\u011bji a ve sv\u00e9m se\u0161it\u011b se odhodlal k prvn\u00edm pokusn\u00fdm po\u010detn\u00edm krok\u016fm.<\/span><\/p>\n

\u201eNo, to snad nemysl\u00edte v\u00e1\u017en\u011b!\u201d vyhrkla udiven\u011b profesorka Moronov\u00e1, kdy\u017e vm\u017eiku nahl\u00e9dla Lekenerovi p\u0159es rameno. \u201eA kam se v\u00e1m pod\u011blo t\u011bch \u0161edes\u00e1t \u0148\u016ftn\u016f? To si jako v\u00e1\u017en\u011b mysl\u00edte, \u017ee se v\u00e1m tlak ur\u00e1\u010d\u00ed s kapalinou n\u011bco ud\u011blat, kdy\u017e d\u00e1te<\/span> s\u00edle vale?\u201d<\/p>\n

Lekener m\u011bl nakonec \u0161t\u011bst\u00ed, \u017ee ho profesorka neozn\u00e1mkovala. Ta se n\u00e1sledn\u011b svoj\u00ed ne\u010dekanou n\u00e1v\u0161t\u011bvou rozhodla poct\u00edt ostatn\u00ed studenty ve t\u0159\u00edd\u011b.<\/span><\/p>\n

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Martinovi nezbylo nic jin\u00e9ho, ne\u017e profesorce nedobrovoln\u011b vyhov\u011bt. \u201ePokud byste byl \u0159\u00e1dn\u011b p\u0159i smyslech, tak by v\u00e1m v u\u0161\u00edch utkv\u011blo, \u017ee jsem tu hovo\u0159ila o hmotn\u00e9m bodu, k jeho\u017e ur\u010den\u00ed pou\u017e\u00edv\u00e1me r\u016fzn\u00e9 sou\u0159adnicov\u00e9 soustavy. Na\u010drtn\u011bte tedy na tabuli kart\u00e9zsk\u00e9 sou\u0159adnice … Cel\u00fd p\u0159\u00edsp\u011bvek →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_s2mail":"yes","footnotes":""},"categories":[33],"tags":[],"class_list":["post-3326","post","type-post","status-publish","format-standard","hentry","category-city-means-i-mesto-plne-navratu"],"_links":{"self":[{"href":"https:\/\/eldar.cz\/tompatrick\/wp-json\/wp\/v2\/posts\/3326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eldar.cz\/tompatrick\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eldar.cz\/tompatrick\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eldar.cz\/tompatrick\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/eldar.cz\/tompatrick\/wp-json\/wp\/v2\/comments?post=3326"}],"version-history":[{"count":3,"href":"https:\/\/eldar.cz\/tompatrick\/wp-json\/wp\/v2\/posts\/3326\/revisions"}],"predecessor-version":[{"id":3517,"href":"https:\/\/eldar.cz\/tompatrick\/wp-json\/wp\/v2\/posts\/3326\/revisions\/3517"}],"wp:attachment":[{"href":"https:\/\/eldar.cz\/tompatrick\/wp-json\/wp\/v2\/media?parent=3326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eldar.cz\/tompatrick\/wp-json\/wp\/v2\/categories?post=3326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eldar.cz\/tompatrick\/wp-json\/wp\/v2\/tags?post=3326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}