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Steam enters a compressor at p1= 6 bar, T1= 300 oC and exits at p2= 10 bar. The work on the system is measured as 200 kJ per kg of water vapor flowing. Determine the isentropic turbine efficiency.
An object is fired at 30.0 m/s at an angle of 35.0 degrees from a vertical cliff that is h meters (where h is unknown quantity) above the sea. calculate the velocity vector of the object
The period of the earth around the sun is 1 year and its distance is 150 million km from the sun. What is the orbital velocity of the asteroid
The maximum speed of a 2.5-kg mass attached to a spring is 0.55 m/s, and the maximum force exerted on the mass is 11 N. What is the amplitude of motion for this mass
A tennis player receives a shot with the ball of mass 0.058kg travelling horizontally at v=45 m/s and returns the shot with the ball travelling horizontally at 51 m/s in the opposite direction.
A circular coil of radius 6.0 cm has 1500 turns and a total resistance of 0.25. Initially it is in a region with a uniform magnetic field of 0.25 T perpendicular to the coil area. Find the average emf induced in the coil
A hoop (I = MR^2) of mass 2.0 kg and radius 0.50 m is rolling at a center-of-mass speed of 15 m/s. What is the new speed of the center of mass of the hoop?
A long straight horizontal wire carries a current I = 2.40Ato the left. What is the magnitude F of the magnitude force on the charge
A resistor is made out of a long wire having a length . Each end of the wire is attached to a terminal of a battery having a constant voltage Vo. what would be the total current flowing through the two wires
A 105 granite cube slides down a 40 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 265 steel cube at rest. How high above the table must the granite cube be released to give the steel cube a speed of..
500 J of energy are transferred to a system in the form of heat while the thermal energy increases by 100 J . How much work is done by the system
Question: For all generators: Eg = 1\"\"0°, χ1 = j0.25 For all transformers: χ1 = j0.75 [A] Write the Y and Z matrices. B] Write the model equation. [C] For each bus, find V, ρ and Q.
A coin is placed on a turntable 13 cm from the center. A lump of clay placed behind the coin prevents it from sliding backwards , How long will it take before the coin begins to slide radially
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