Physics, 26.04.2020 11:30 autumnguidry7628

Un motor electric efectueaza un lucru mecanic de 864 j in 0.5 min. tensiunea la bornele sale este de 12v si este parcurs de un curent de 3a. randamentul motorului este de cat?

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Un motor electric efectueaza un lucru mecanic de 864 j in 0.5 min. tensiunea la bornele sale este de...

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