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A large tank is divided into two parts by a partition. The first part contains 5 kg of refrigrtant-134a at 80oC, 900 kPa. The other part contains 3 kg of refrigerant-134a at -2oC with a vapor mass fraction of 46 percent. The partition is now removed and the two parts are allowed to mix until the tank reaches a uniform pressure of 550 kPa. Determine the work and heat transfer during this process.
A 3 liter aluminium cylinder at 5°C is filled to the brim with gasoline at the same temperature. If the aluminium and gasoline are warmed to 62°C, how much gasoline spills out.
A regulation soccer field for international play is a rectangle with a length between 90.0m and 111mand a width between 57.0m and 70.0m
A particle moves in a plane with a constant radial velocity rhat = 4 m/s. The angular velocity is constant and has magnitude θhat = 2 rad/s. When the particle is 3 m from the origin, find the magnitude of the acceleration.
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A solenoid is designed to produce a magnetic field of 2.50×10?2T at its center. It has a radius of 1.60cm and a length of 31.0cm , What total length of wire is required
However, the current begins to decrease as the resistive element warms up. When the toaster reaches its final operating temperature, the current has dropped to 1.53 A.
a particle of mass m is confined to move without friction in a vertical plane with axes x horizontal and y vertically
A 1200-turn coil of wire that is 2.0cm in diameter is in a magnetic field that drops from 0.14T to 0 T in 11ms. What is the emf of the coil
Jack and Jim are resting on an offshore raft after a swim. They estimate that the horizontal distance between a trough, Calculate how fast the waves are moving
barium has a work function of 2.48 ev. what is the maximum kinetic energy of electrons if the metal is illuminated by
Two lenses, the first with focal length 10.0 cm and the second with focal length -12.5 cm, are separated by 20.0 cm. What is the size of the final image and what is its position
A double slit experiment produces 25 highlight spots with total distance y = 21cm, What is the wavelength of the laser source
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