Modelová Otázka ID 3194 - 
Kinetická energie je:
Správná odpověď je: B
Jednotkou energie je joule (J), případně wattsekunda (Ws) či jiné jednotky. Má pouze velikost a rozměr (jednotku), a jedná se tak o skalární fyzikální veličinu, která popisuje pohybový stav hmotného bodu nebo tělesa vzhledem k dané inerciální vztažné soustavě.
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