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An insulated vertical piston cylinder device initialy contains 10kg of water, 6 kg of which is in the vapor phase. The mass of the piston is such that it maintains a constant pressure of 200 kPa inside the cylinder. Now steam at 0.5 Mpa and 350 degrees C is allowed to enter the cylinder from a supply line until all the liquid in the cylinder has vaporized. Determine the final temperature inside the cylinder.
A horizontal force of 210N is exerted on a 2.0 kg discus as itrotates uniformaly in a horizontal circle ( at arm's length ) ofradius .90 m. Calculate the speed of the discus
Stars, to a good approximation, are spherical, and emit electromagnetic radiation from a surface of emissivity e = 1. What is the diameter (in millions of km) of this star
A ball is thrown by an Italian physicist from the top of the leaning tower of Pisa at a speed of 8m/s, determine the height of the leaning tower of Pisa
A 14.5 gram, 78.6 centimeter long steel guitar string is vibrating in its fourth harmonic. What is the tension on the steel guitar 'string'
Calculate the buoyant force that would be exerted on a wood object that is 26g and has a volume of 31.6cm3 and a density of .82 g/mL if you held it under water. How much force must you exert
The tungsten filament of a certain 100 W light bulb radiates 4.00 W of light. Find the filament's temperature
During volcanic eruptions, chunks of solid rock can be blasted out of the volcano; these projectiles are called volcanic bombs. What would be the time of flight
a mass spectrometer is used to examine the isotopes of uranium. ions in the beam emerge from the velocity selector at a
A 0.33 kg softball has a velocity of 19 m/s at an angle of 34° below the horizontal just before making contact with the bat. What is the magnitude of the change in momentum of the ball
A thin soap film (n = 1.35) is suspended in air. The spectrum of light reflected from the film is missing two visible wavelengths of 490.8 nm and 589.0 nm, What is the thickness of the soap film
A car plus its driver has a mass of 1400 kg. when the driver takes his foot off the accelerator, the car slows from 30 m s^-1 to 20 m s^-1 in 20 s. how much work was done by dissipative forces
A toy of mass 0.155 kg is undergoing simple harmonic motion (SHM) on the end of a horizontal spring with force constant 305 N/m. What is the maximum speed attained by the object during its motion
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