Winda o ciężarze 6080N wznosi się na wysokość 15m w ciągu 20s. Silnik poruszający windę pod napięciem 380V. Oblicz natężenie prądu w obwodzie elektrycznym silnika. Straty energii pomijamy. PROSZĘ O POMOC!!
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![Dane:\\Q = 6080 N\\h = 15 m\\t = 20s\\U = 380 V \\\\Szukane :\\I = ? \\\\Roziwazanie :\\P = UI \\I = \frac{P}{U} \\\\P = \frac{W}{t} = \frac{Fh}{t} \\\\P = \frac{6080\cdot15}{20} = 4560 [W] \\\\\\I = \frac{4560 }{380 } = 12[A]](https://tex.z-dn.net/?f=Dane%3A%5C%5CQ+%3D+6080+N%5C%5Ch+%3D+15+m%5C%5Ct+%3D+20s%5C%5CU+%3D+380+V+%5C%5C%5C%5CSzukane+%3A%5C%5CI+%3D+%3F+%5C%5C%5C%5CRoziwazanie+%3A%5C%5CP+%3D+UI+%5C%5CI+%3D++%5Cfrac%7BP%7D%7BU%7D+%5C%5C%5C%5CP+%3D++%5Cfrac%7BW%7D%7Bt%7D+%3D++%5Cfrac%7BFh%7D%7Bt%7D+%5C%5C%5C%5CP+%3D++%5Cfrac%7B6080%5Ccdot15%7D%7B20%7D+%3D+++4560+%5BW%5D+%5C%5C%5C%5C%5C%5CI+%3D++%5Cfrac%7B4560+%7D%7B380+%7D++%3D+12%5BA%5D "Dane:\\Q = 6080 N\\h = 15 m\\t = 20s\\U = 380 V \\\\Szukane :\\I = ? \\\\Roziwazanie :\\P = UI \\I = \frac{P}{U} \\\\P = \frac{W}{t} = \frac{Fh}{t} \\\\P = \frac{6080\cdot15}{20} = 4560 [W] \\\\\\I = \frac{4560 }{380 } = 12[A]")
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