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Prosim vedel by mi niekto rychle pomoct s ulohou. Keby sa da tak este dnes. Dakujem velmi pekne
Ako sa stlačia nárazníky pri zrážke dvoch vagónov, keď jeden z vagónov sa nachádza v okamihu zrážky v pokoji? Čo sa zmení, ak jeden vagón je naložený a druhý je prázdny?
Ako sa stlačia nárazníky pri zrážke dvoch vagónov, keď jeden z vagónov sa nachádza v okamihu zrážky v pokoji? Čo sa zmení, ak jeden vagón je naložený a druhý je prázdny?
Korčuliar s hmotnosťou 60 kg stojí na korčuliach na hladkom ľade. Pri pohybe pôsobí na korčuliara odporová sila veľkosti 2 N. Korčuliar odhodí ľadovú kryhu s hmotnosťou 6 kg rýchlosťou 3 m.s-1. Do…
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