Modelová Otázka ID 2657 - 
Jaký tvar bude mít projekce závislosti rychlosti rovnoměrně zrychleného pohybu bez počáteční rychlosti na čase v kartézské soustavě souřadnic?
Správná odpověď je: E
V kartézské soustavě souřadnic jsou souřadné osy vzájemně kolmými přímkami, ve dvourozměrné soustavě obvykle značenými x a y. Projekce rychlosti rovnoměrně zrychleného pohybu bez počáteční rychlosti do takovéto soustavy bude mít tvar polopřímky s počátkem v nulovém bodě soustavy, protože vlivem konstantního zrychlení roste rychlost přímo úměrně s dobou trvání pohybu; polopřímka tedy bude růst v čase.
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