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2500kj of heat is absorbed to produce 1 kg of wet steam at a preasure of 1300 kPa from feed water 25(degrees celcius). Thereafter the mixture is heated further at constant preassure to a temperature of 291,69degrees celcius) For superheated steam cp = 2,35 kj/kg.k. Calculate for 1 kg of steam:
1.the initial dryness fraction.
2.the heat required to produce superheated steam from the feed water.
3. the increase in specific volume from the wet state to the superheated state.
4.The increase in internal energy from the wet state to the superheated state.
Two harmonic sound waves reach an observer simultaneously. What is the difference in frequency of the two sound waves
A bungee jumping mime is attached to a bungee cord 25.0 m long. The mime is in freefall until he gets to the end of the bungee, Find the maximum speed attained by the mime
Commercial aircraft fly near 200mb where the outside temperate is -60 degrees Celsius. Calculate the temperature of the air if compressed adiabatically to the cabin pressure of 1000mb.
A hydraulic jack is made by a small piston 1.3 cm in diameter that is utilized to move a large piston 6.1 cm in diameter. If a man can exert a force of 360 N on the small piston, how heavy a load can he lift by the jack?
A 2.27-kg block (M1) and a 5.87-kg block (M2) are connected by a massless string. Applied forces, F1 = 10.1 N and F2 = 4.83 N, act on the blocks, What is the net force acting on M1
An iron-core solenoid is 43cm long and 1.7cm in diameter, and has 720 turns of wire. What is the permeability %u03BC at this high field strength
An airtight box having a lid with an area of 14.0in2 ( 90.32cm2 ) is partially evacuated. what is the air pressure in the box
Particle physicists use particle track detectors to determine the lifetime of short-lived particles. A muon has a mean lifetime of 2.2 µs and makes a track 9.5 cm long before decaying into an electron and two neutrinos. What was the speed of the m..
A child of mass m rides on a Ferris wheel . The child moves in a vertical circle of radius13.8 m at a constant speed of 3.30 m/s. Calculate the magnitude of the force on the child
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.75 m/s2 for 4.45 s, With what speed does the car then strike the tree
A runner of mass m runs around the edge of the horizontal turntable mounted on a vertical, frictionless axis through its center. The runner's velocity relative to earth has magnitude v.
a crane drops a 1.0 kg steel ball onto a steel plate. the ball's speed just before impact is 2.0 m/s. what is the bounce back speed right after the impact
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