[{"question":"Kinetick\u00fa energiu hmotn\u00e9ho bodu ur\u010duje vz\u0165ah","answers":["0,5.m.v2<\/sup>","0,5.m.v","2.m.v","mgh"],"correct":"0,5.m.v2<\/sup>","order":"1"},{"question":"Jednotkou kinetickej energie je","answers":["J.s","N.s","N","J"],"correct":"J","order":"2"},{"question":"Preme\u0148te 12 kJ","answers":["1 200 J","12 000 J","120 000J","1,2MJ"],"correct":"12 000 J","order":"3"},{"question":"Pre polohov\u00fa potenci\u00e1lnu energiu tia\u017eov\u00fa plat\u00ed","answers":["m.g.h","g.h.s","0,5.m.v","0,5.m.v2<\/sup>"],"correct":"m.g.h","order":"4"},{"question":"Ako vol\u00e1me miesta s rovnakou potenci\u00e1lnou energiou","answers":["potenci\u00e1lna energia","induk\u010dn\u00e9 \u010diary","hladiny potenci\u00e1lnej energie","polia potenci\u00e1lnej energie"],"correct":"hladiny potenci\u00e1lnej energie","order":"5"},{"question":"Z\u00e1kon zachovania mechanickej energie:","answers":["Celkov\u00e1 mechanick\u00e1 energia je kon\u0161tantn\u00e1","Celkov\u00e1 mechanick\u00e1 energia izolovanej s\u00fastavy je st\u00e1la","Mechanick\u00e1 energia izolovanej s\u00fastavy sa men\u00ed","Celkov\u00e1 mechanick\u00e1 energia izolovanej s\u00fastavy sa rovn\u00e1 nule"],"correct":"Celkov\u00e1 mechanick\u00e1 energia izolovanej s\u00fastavy je st\u00e1la","order":"6"},{"question":"R\u00fdchlik s hmotnos\u0165ou 400 t zv\u00e4\u010d\u0161il svoju r\u00fdchlos\u0165 z 10m\/s na 25m\/s . Ur\u010dte pr\u00edrastok jeho kinetickej energie.","answers":["100 MJ","155MJ","150MJ","105 MJ"],"correct":"105 MJ","order":"7"},{"question":"Teleso s hmotnos\u0165ou 10 kg je zdvihnut\u00e9 do v\u00fd\u0161ky 1m nad st\u00f4l. Ak\u00fa polohov\u00fa energiu z\u00edska vzh\u013eadom na dosku stola.","answers":["110KJ","1MJ","100 J","10kJ"],"correct":"100 J","order":"8"},{"question":"Do akej v\u00fd\u0161ky mus\u00edme zdvihn\u00fa\u0165 kladivo s hmotnos\u0165ou 5kg, aby sa jeho polohov\u00e1 energia zv\u00e4\u010d\u0161ila o 40J?","answers":["80cm","8m","80m","10m"],"correct":"80cm","order":"9"},{"question":"Ak\u00fa kinetick\u00fa energiu m\u00e1 kame\u0148 s hmotnos\u0165ou 1kg , ktor\u00fd pad\u00e1 vo\u013en\u00fdm p\u00e1dom 5s od za\u010diatku pohybu?","answers":["12,5 kJ","1 250 J","2 150 J","200 J"],"correct":"1 250 J","order":"10"}]