Questões de Concurso Para engenheiro de petróleo
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Com base nas informações precedentes, julgue o item subsecutivo.
O momento total do sistema de duas partículas é dado pelo vetor = (0,1), em unidades do SI.
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A perda de energia do sistema de partículas após a colisão totalmente inelástica é de 11/8 J.
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No instante t, a potência PR(t) dissipada pela força de resistência do ar é PR(t) = -v2(t).
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A velocidade do carro em função do tempo t em segundos é v(t) = 100 tanh (t/20) m/s.
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Para todo instante de tempo t > 0, v(t) < 100 m/s.