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https://github.com/danbulant/notes
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vault backup: 2021-12-10 12:02:19
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6 changed files with 35 additions and 6 deletions
2
notes/.obsidian/appearance.json
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notes/.obsidian/appearance.json
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{
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{
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"baseFontSize": 13,
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"baseFontSize": 10,
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"theme": "obsidian",
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"theme": "obsidian",
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"cssTheme": "Atom"
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"cssTheme": "Atom"
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}
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}
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"checkpointList": [
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"checkpointList": [
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{
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{
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"path": "/",
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"path": "/",
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"date": "2021-12-09",
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"date": "2021-12-10",
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"size": 616858
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"size": 617731
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}
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}
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],
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],
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"activityHistory": [
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"activityHistory": [
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@ -251,6 +251,10 @@
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{
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{
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"date": "2021-12-09",
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"date": "2021-12-09",
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"value": 2868
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"value": 2868
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},
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{
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"date": "2021-12-10",
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"value": 1245
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}
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}
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]
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]
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}
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}
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11
notes/ech/Veličiny.md
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notes/ech/Veličiny.md
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# Veličiny
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## Relativní hmotnost
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Ar - relativní hmotnost prvku
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Mr - relativní hmotnost molekuly (sečíst relativní hmotností prvků * počet daného prvku)
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## Látkové množství
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**n \[mol]**
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Počet částic látky
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$N_A$ - Avogardova konstanta
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## Molární hmotnost
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**M \[g/mol]**
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Vynásobení relativní hmotnosti konstantou atomové hmotnosti.
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- [[ech/prvky|prvky]]
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- [[ech/prvky|prvky]]
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- [[ech/radioaktivita|radioaktivita]]
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- [[ech/radioaktivita|radioaktivita]]
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- [[ech/Vazby|Vazby]]
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- [[ech/Vazby|Vazby]]
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- [[ech/Veličiny|Veličiny]]
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%% Zoottelkeeper: End of the autogenerated index file list %%
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%% Zoottelkeeper: End of the autogenerated index file list %%
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@ -8,7 +8,7 @@ Vektor okamžité rychlosti je kolmý na poloměr.
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V rovnoměrném pohybu má stejnou rychlost ale mění se směr.
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V rovnoměrném pohybu má stejnou rychlost ale mění se směr.
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$t = \frac{1}{f}$
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$t = \frac{1}{f}$
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$v = \frac{2\Pi r}{T}$
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$v = \frac{2\Pi r}{T} = \omega r$
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$\omega = \frac{2 \Pi}{T}$
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$\omega = \frac{2 \Pi}{T}$
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$[s^{-1}] = [\frac{1}{s}]$
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$[s^{-1}] = [\frac{1}{s}]$
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@ -24,3 +24,16 @@ $$
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$$
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$$
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\frac{\sqrt{a} * \sqrt[3]b}{a^\frac{-1}{3} * b^2} * \frac{a^{-3}}{b^\frac{1}{4}} = \frac{a^\frac{1}{2} * b^\frac{1}{3}}{a^{-1}{2} * b^\frac{2}{1}} * \frac{a^{-3}{1}}{b^\frac{1}{4}}
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\frac{\sqrt{a} * \sqrt[3]b}{a^\frac{-1}{3} * b^2} * \frac{a^{-3}}{b^\frac{1}{4}} = \frac{a^\frac{1}{2} * b^\frac{1}{3}}{a^{-1}{2} * b^\frac{2}{1}} * \frac{a^{-3}{1}}{b^\frac{1}{4}}
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$$
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$$
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---
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$$
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\frac{225^3 * 243}{15^2 * 45^3} = \frac{15 ^ 6 * 243}{5^2 * 3^2 * 3^2 * 15^2} = \frac{5^6 * 3^11}{5^4 * 3^6} = 5^2 * 3^5
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$$
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---
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$$
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\frac{\sqrt[4]{\sqrt{a}\sqrt[3]{a^2}}}{a^\frac{5}{3}} = \frac{(a^\frac{1}{2}*a^\frac{2}{3})^\frac{1}{4}}{a^\frac{5}{3}} =
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\frac{(a^\frac{7}{6})^\frac{1}{4}}{a^\frac{5}{3}} = \frac{a^\frac{7}{24}}{a^\frac{5}{3}} = a^\frac{7}{24} * a^\frac{3}{5} =
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a^\frac{7}{40}
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$$
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$$
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\frac{1}{2} + \frac{2}{3} = \frac{3}{6} + \frac{4}{6} = \frac{7}{6}
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$$
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