Na figura acima, a linha pontilhada mostra a trajetória de uma partícula de carga -q = -3 C que percorre 6m metros, ao se deslocar do ponto A, onde estava em repouso, até o ponto B, onde foi conduzida novamente ao repouso. Nessa região do espaço, há um campo elétrico conservativo, cujas superfícies equipotenciais estão representadas na figura. Sabe-se que, ao longo desse deslocamento da partícula, atuam somente duas forças sobre ela, onde uma delas é a força externa Fext. Sendo assim, determine o trabalho, em quilojoules, realizado pela força Fext no deslocamento da partícula do ponto A até o ponto B.
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In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.
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Na figura acima, a linha pontilhada mostra a trajetória de uma partícula de carga -q = -3 C que perc...
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