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Potrebovala by som s týmto pomôcť. Zápis, výpočet, najlepšie na papier. Tú 1, 2, 3.
Ďakujem.
Vypočítaj výkon robotníka, ak kváder na stavbe tlačil stálou silou 200 N po dráhe 2,8 metra za čas 5 sekúnd.
Správca bytovky prezradil Jankovi, že motor výťahu zdvihne 200 kilogramové bremeno do výšky 3 m za čas 16 sekúnd. Aký je výkon tohto motora?
V každom prípade vypočítaj výkon a na záver tieto výkony porovnaj a) – Jožo dvíhal 20 kilogramovú činku do výšky 1,8 metra za čas 5 sekúnd. b) – Adam tlačil vozík 2 metre stálou silou 50 N za čas 2 s.
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