Calculate e for a system that absorbs 8140 kj of heat from
Calculate E for a system that absorbs 814.0 kJ of heat from its surroundings and does 676.0 KJ of wor on its surroundings.
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Show x(t + 2) = x(t) and y(t +2) = y(t). Then use the representation of cosine in terms of complex exponential cos(thetat) = e^j theta + e ^ -jtheta / 2; to express the intergrand in terms of exponential and calculate the integral
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