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Steam leaves the boiler of a Rankine cycle power plant at 3000. psia and 1000.°F. It is isenthalpically throttled to 600. psia before it enters the turbine. It then exits the turbine at 1.00 psia. Neglecting the pump work, determine
a. The maximum thermal efficiency of this plant.
b. Its maximum thermal efficiency if the boiler is operated at 600. psia and 1000.°F and no throttling occurs at the entrance to the turbine.
A basketball is thrown horizontally with an initial speed of 4.20m/s. Determine what was the release height
Two charged particles are located on the x axis. The first is a charge +Q at x = -a. The second is an unknown charge located at x = +3a. What are the two possible values of the unknown charge
A solenoid 10.0 cm in diameter and 76.7 cm long is made from copper wire of diameter 0.100 cm, with very thin insulation. The wire is wound onto a cardboard tube in a single layer, with adjacent turns touching each other.
question1a. write three methods of increasing the volume of a balloon without adding more molecules to it.describe
An object with a mass of 23 kg lies on a horizontal frictionless surface. What is the normal force on the object in Newtons
Two loud speakers separated by a distance of 2.0 m are in phase. Assume the amplitudes of the sound from the speakers are approximately the same at the position of the listener, For what frequencies is the signal a maximum
A horizontal pipe carries a smoothly flowing liquid with density 1.27 × 103 kg/m3. What is the pressure difference between location 2 and location 1
The pressure in the fluid at the distance from the axis of rotation is. You may ignore the variation in pressure with depth; suppose that it is much smaller than the variation in pressure with radius.
If the temperature outside is a freezing -15 (celsius), and as you drive at 60 km/h, you see a police car heading towards you, How fast is the police car traveling
A cylinder of wood, density 800 kg/m^3 is 2.5 m long. Cross sectional area of the cylinder is 0,4 m^2. determine To what depth will the cylinder sink
A rocket of total mass 3160 kg is traveling in outer space with a velocity of 120 m/s. To alter its course by 38.5 degrees, its rockets can be fired briefly in a direction perpendicular to its original motion. how much mass must be expelled
A spherical mirror forms an image that is virtual, one-quarter of the size of the object, and 3cm from the mirror. Find the focal length of the mirror, and draw the corresponding ray diagram.
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