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An ice-making machine inside a refrigerator operates in a Carnot cycle. It takes heat from liquid water at 0.0^{ C} and rejects heat to a room at a temperature of 24.6^\C. Suppose that liquid water with a mass of 82.7kg at 0.0^ C} is converted to ice at the same temperature. Take the heat of fusion for water to be L_{ f}\; = 3.34×105J/kg . Part A How much heat |Q_{\rm H}| is rejected to the room?
A 0.94-µF capacitor is charged by a 45.0-V power supply. Find the maximum current in the resulting oscillations
A converging lens has 31.3 cm focal length, and is placed 20.9 cm behind a diverging lens. Parallel light strikes the diverging lens, What is the focal length of the diverging lens in cm
Explain, using thermodynamically sound principles, what each of the following temperatures represents: actual temperature, virtual temperature, dewpoint temperature,
A Toyota Prius driving north at 56.0mph and a VW Passat driving south at 38.0 mph are on the same road heading toward each other, What is the velocity of Toyota Prius relative to the VW Passat
A Carnot engine operates with a cold reservoir temperature of 194 K and has an efficiency of 74.3%. What is the temperature of the hot reservoir
Suppose you throw a 0.048-kg ball with a speed of 10.7 m/s and at an angle of 32.1° above the horizontal from a building 11.5 m high. What will be its kinetic energy when it hits the ground
A spring with spring constant 34N/m is attached to the ceiling, and a 4.6-cm-diameter, 1.4kg metal cylinder is attached to its lower end. what length of the cylinder is submerged
Stan and Ollie are standing next to a train track. Stan puts his ear to the steel track to hear the train coming. How far away is the train
An ideal gas expands at a constant total pressure of 3.0 atm from 410mL to 790mL . Heat then flows out of the gas at constant volume, Calculate the total heat flow into the gas
A cell membrane is composed of lipid molecules and approximately 10.48 nm thick. If the dielectric constant of the lipid is k = 5, what is the approximate capacitance of a spherical cell that has a diameter of 10.48 mu m?
A uniform disk of mass 0.72 kg and radius 5.3 cm is mounted in the center of a 10 cm axle and spun at 717 rev/min. find the magnitude of the angular velocity of precession
How much work is done by the horizontal force F_p = 150 N on the 18 kg block of the figure when the force pushes the block 5.5 m up along the 32 degree frictionless incline
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