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1. Saturated water vapor at 150.°C enters an isentropic converging nozzle with a negligible velocity and exits at 0.300 MPa. Determine the exit quality, temperature, and velocity. Do not assume ideal gas behavior.
2. Air flows in a circular tube with a velocity of 275 ft/s at a temperature of 103°F and a pressure of 175 psig. Determine its stagnation pressure and temperature.
Four charges are placed at the vertices of a square, centered at the origin. If each side of the square has a length of 0.224 m, what is the strength and direction of net electric field at the origin? Express your answer in terms of the charge ma..
Calculate the diffusion coefficient for the diffusion of carbon in gamma-iron at 1x10^3 degrees Celsius. Express your answer in the form X x 10^Y, using units of m2/s
a 0.060 kg tennis ball, initially moving at a speed of 10 m/s, What is the change in momentum of the ball in kg m/s
Presume we wish to curve a physics test using a linear function. If we want to scale the scores upwards we may decide to raise the lowest score of 47 to 65 and the highest score of 78 to 90. Find a linear equation that converts the other test scores.
A point charge q of mass m is held a distance from an infinite grounded conducting plane. There is no gravitation. When released, the charge starts to move toward the plane. What is the charge velocity when it hits the plane?
What is the change in velocity from 1 second to 5 seconds? How much time did it take to change that velocity?
The dissimilarity in electric potential among a thunder cloud and the ground is 2.38*108 V. Electrons move from the ground which is at a lower potential to the cloud which is at a higher potential. Decide the change in electric potential energy of on..
The rms speed of the molecules of a gas at 137°C is 183 m/s. Calculate the mass of a single molecule in the gas
The structure shown (Figure) is fabricated by welding together three pieces of square rod or tubing, each having the same cross-sectional area A, moment of inertia I, and modulus of elasticity E. Derive an expression for the deflection between the..
in a television set electrons are accelerated from rest through a potential difference of 24 kv. the electrons then
A hypothetical NH molecule makes a rotational-level transition from l = 3 to l = 1 and gives off a photon of wavelength 1.780nm in doing so. What is the separation between the two atoms in this molecule if we model them as point masses?
Inside the house where the temperature is 20C, we measure the length of an aluminum rod with a micrometer made of steel, find the length of the cold rod according to the cold micrometer
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