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A spark-ignited engine has a compression ratio of 8, an isentropic compression efficiency of 85%. At the beginning of the compression, the air in the cylinder is at 13 psia and 540 R. The maximum gas temperature is found to be 2400 R.
(a) Determine the energy transfer for each of the four components.
(b) Determine the thermodynamic efficiency.
(c) Determine the MEP.
(d) Compare the efficiency to the calorically perfect efficiency.
A light wave has a 628 nm wavelength in vacuum. It enters a solid where n = 1.36. What is the speed of light, wavelength of light and frequency of light in the solid
While carrying out an experiment you watch an electrically charged microscopic drop of oil (mass 5.68 micrograms, diameter 0.48 mm and electric charge of -96e) that is slowly falling vertically in an evacuated chamber toward a small flat, electricall..
A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, What is the weight of the truck
Suppose a tank contains 626 m3 of neon (Ne) at an absolute pressure of 1.01 105 Pa. The temperature is changed from 293.2 to 293.8 K. What is the increase in the internal energy of the neon
a pion decays into a muon and a neeutrino. in the rest frame of the pion the muon always has a speed of .507c. if a
A 200 weather rocket is loaded with 100 kg of fuel and fired straight up. It accelerates upward at 30 m/s^2 for 33 s, then runs out of fuel. Ignore any air resistance effects. Illustrate what is the rocket's maximum altitude?
A person with mass mp = 77 kg stands on a spinning platform disk with a radius of R = 2.16 m and mass md = 185 kg. The disk is initially spinning at ? = 1.6 rad/s. The person then walks 2/3 of the way toward the center of the disk (ending 0.72 m f..
The two-dimensional, infinite corral of the figure below is square,with edge length L = 110 pm. What is the probability ofdetection if the electron is in the E1,3 energy state
a point charge q = +87.1 micro coulombs is held fixed at the origin. A second charge, with mass m = 0.0576 kg and charge q = +3.5 micro coulombs, Find the electric potential energy of the system of charges
imagine you are standing in front of standard mirror. in order for you to be able to see a full-length view of yourself
What is the rms current in an RL circuit when a 60.0Hz 240V rms ac voltage is applied, where R = 1.80k? , and L = 420mH?, What is the phase angle between voltage and current
A freezer has a coefficient of performance of 2.52 . The freezer is to convert 1.90 kg of water at 26.0 Celsius 1.90 kg of ice at -5.00 Celsius in 1 hour. How much wasted heat is rejected to the room in which the freezer sits
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