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Zdravím, neviem si dať rady s týmto zadaním. Vedel by mi niekto pomôť. Vopred ďakujem.
Zadanie: Zotrvačník má voľný hriadeľ s polomerom 0,005 m. Určte moment zotrvačnosti zotrvačníka, ak sa pôsobením tiažovaej sily závažia s hmotnosťou 2 kg, ktoré ťahá za motúz navinutý na hriadeli desaťkrát, roztočí s fenkvenciou 20 Hz. (treba brať do úvahy aj kinetickú energiu závažia).
Odpoveď by mala byť 7,5.10^-4 kg.m^2
Dobrý deň, Potrebovala by som pomoc s prepisom z parametrickej rovnice do všeobecnej. p : x = -7 + at; y = 5 - 4t; q : x = 2 - 9s; y = b + 6s;
Dobrý deň, mohol by mi prosím niekto skontrolovať moje vypracovanie na nasledujúce úlohy ? Za každú pomoc budem vďačná 🙏🏻
Napíšte všeobecnú rovnicu roviny , ktorá je daná bodom A, ktorý má súradnice [2,-3 ,1] a parametrickým vyjadrením priamky p: x=1+t y=2-2t z=3-t
doučma.sk
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