Physics, 02.07.2019 23:30 brandonm39
a) which process requires more energy: completely vaporizing 1 kg of saturated liquid water at i atm or completely vaporizing 1 kg of saturated liquid water at 8 atm? explain on t-v diagram. b) what is a quasi-equilibrium process? what is its importance in engineering? c) define the isothermal, isobaric, isochoric and adiabatic processes.
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Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.
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Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c. the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors
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In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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a) which process requires more energy: completely vaporizing 1 kg of saturated liquid water...
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