Physics, 24.03.2021 21:10 Dreambig85
What is the potential difference across the terminals of a battery if 45 J of energy is required to move 5.0 C of charge?
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Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.
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Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?
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Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2
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Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.
Answers: 1
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