Physics, 22.05.2020 06:06 chriscook1466
O bara din cupru poate colisa pe doua mine orizontale ad si ce ale caror capete C si D sunt legate la bornele unui generator cu t. e.m. (E = 10 v) si rezistenta interioara (r=0,5) se neglijeaza rezisteanta sinelor si a barei din cupru. a)Ce intensitate are curentul electric ce se stabileste prin circuitb? b)Se aseaza un magnet in forma de u ca in figura alaturata. laturile sale au o latime de 10 cm. Inductia magnetifca a campului magnetic dintre poli este B =0,05 ce se observa daca bara se lasa libera?
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Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?
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O bara din cupru poate colisa pe doua mine orizontale ad si ce ale caror capete C si D sunt legate l...
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