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Two kg of ammonia are compressed adiabatically from a saturated vapor state at 20 C. The dead state is p0 = 1 bar, T0 = 27o C. The final pressure is 1 bar. Determine the final temperature and volume if the exergy destruction is 15 kJ. Is the ammonia before or after this process an ideal gas? Give your answers and your reasoning.
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.42 m. find Where should the third charge be located
An object is launched vertically from near the surface of the Earth at at velocity of 100.0 m/s, What is its acceleration at its maximum height
An ideal gas is in contact with a heat reservoir to that it remains at a constant temperature of 300.0 K. How much heat flows between the gas and the heat reservoir
A playground Merry-Go-Round has a mass of 291 kg which can be viewed as being uniformly distributed over a disk of radius 2.4 m. What is the new rotation rate assuming the child remains at the rim
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
Forces of 4 N and 6 N act on an object. What is the minimum value for the sum of these two forces
A converging lens with a focal length of 6.20cmforms an image of a 3.00mm -tall real object that is to the left of the lens. Where are the object and image located
If 0.2 kg of chai tea at 90 degrees C is poured into a 0.3 kg cglass cup(C=840 J/kg K) at 20 degrees C, what is the final temperature of the chai tea
A 43kg block of ice slides down the frictionless incline 1.50m long and 0.82m high. A worker pushes up against the ice, parallel to the incline, so that the block slides down at constant speed.
A flat sheet of crystalline quartz has a thickness of 2.1 cm. It is on top of a flat sheet of diamond that has a thickness of 3.0 cm. how far would it have traveled in a vacuum
A bowling ball of mass M and Radius R (treated as a solid sphere) is thrown along a level surface so that initially (t = 0) it slides with a linear speed Vo but dows not rotate, How long does it take to begin rolling without slipping
A solid disk rotates in the horizontal plane at an angular velocity of 0.049 rad/s with respect to an axis perpendicular to the disk at its center. what is the angular velocity of the disk
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