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Steam enters the high-pressure turbine of a Rankine cycle power plant at 1200. psia and 700.°F and exits as a saturated vapor. It is then reheated to 600.°F before it enters the low-pressure turbine, which exhausts to a condenser at 1.00 psia.
The isentropic efficiencies of the high- and low-pressure turbines and the boiler feed pump are 88.0%, 79.0%, and 65.0%, respectively. Determine the thermal efficiency and the net power per unit mass flow rate of steam for this plant.
Consider a spherical closed surface, containing some protons. The total electric flux through the surface is 8x10-5 Nm2/C. How many protons are inside the surface
A uniform rod of mass 3.00 x 10^-2 kg and length 0.350m rotates in a horizontal plane about a fixed axis through its center and perpendicular to the rod. What is the angular speed of the system at the instant when the rings reach the ends of the ro..
Compute the allowed wave function for stationary states of this system with those for a normal harmonic oscillator having the same values of m and C.
A parallel-plate capacitor is constructed with circular plates of radius 6.5×10?2m . The plates are separated by 0.27mm, Find the value of the dielectric constant, k
A block of unknown mass is attached to a spring of spring constant 7.9 N/m and undergoes simple harmonic motion with an amplitude of 13.2 cm. Calculate the mass of the block
q1. a proton is travelling to the right at. it has a head-on perfectly elastic collision with a carbon atom. the mass
If you move towards an emitter of yellow light (λ =580nm) at half the speed of light, find what wavelength would you observe
A resting bat sends out ultrasonic waves at 50 kHz towards an insect that is approaching the bat with a speed of 20.0 m/s. What is the frequency of waves heard by the insect?
A fixed inductance of 0.18 mH is used in series with a variable capacitor in the tuning section of a radio. What capacitance will tune the circuit to the signal from WSB which is broad casting at a frequency of 750 KHz?
A metallic hoop of radius 0.5m is perpendicular to a magnetic field into the page. What direction is the current induced in the hoop
Consider a string with length of 1200 centimeters, What is the wavelength of the wave
Radio astronomers often study the radiation emitted by a hydrogen atom from a transition between the two hyperfine levels associated with the ground state
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