Physics, 10.08.2019 04:20 Kookiexperfect9420
You are given a material which produces no initial magnetic field when in free space. when it is placed in a region of uniform magnetic field, the material produces an additional internal magnetic field parallel to the original field. however, this induced magnetic field disappears when the external field is removed. what type of magnetism does this material exhibit?
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To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?
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Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor
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Sobre transformações cíclicas, são feitas algumas afirmações, determine quais estão corretas. i – a variação de energia interna em uma transformação cíclica é nula; ii – o trabalho, em uma transformação cíclica, é sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cíclica é, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocórica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv
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You are given a material which produces no initial magnetic field when in free space. when it is pla...
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