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Experimental measurements on a new methane fuel nozzle for a furnace produce an exit velocity, pressure, and temperature for methane of 335 m/s, 0.100 MPa, and 0.00°C. The upstream stagnation pressure and temperature are 0.150 MPa and 22.0°C. Determine
a. The nozzle efficiency.
b. The nozzle's velocity coefficient.
c. The nozzle's discharge coefficient.
assume a bar 2 m long expands 0.6 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated.
Your cell phone typically consumes about 440 mW of power when you text a friend. what is the current flowing through the cell-phone circuitry under these circumstances
When a 58-g tennis ball is served, it accelerates from rest to aspeed of 44 m/s. The impact with theracket gives the ball a constant acceleration over a distance of42 cm. What is the magnitude of the netforce acting on the ball?
Ultraviolet light is incident normally on the surface of a certain substance. The binding energy of the electrons in this substance is 3.44 eV. How many electrons are emitted from a square centimeter of the surface each second
A steel tank is completely filled with 3.00 m^3 of ethanol when both the tank and the ethanol are at a temperature of 35.0C. what additional volume of ethanol can be put into the tank
The switch in given Figure has been in position A for a long time and is moved to position B at t = 0. Find vC (t) for t ≥ 0. Identify the forced and natural components in the response.
What is the wavelength of a photon emitted from a hydrogen atom as an electron drops from the m=5 energy level to the n=2 energy level?
Distinguish between magma and lava. How are intrusive and extrusive igneous rocks classified?
The drawing shows a uniform horizontal beam attached to avertical wall by a frictionless hinge and supported from below atan angle θ = 43o by a brace that isattached to a pin. The beam has a weight of 349 N. Three additional forces keep the beam i..
A boy kicks a football from ground level with an initial velocity of 20 m/s at an angle of 60 degrees above the horizontal. What is the horizontal distance to the point where the football hits the ground
Unpolarized white light is incident on a po- larizer and then falls on an analyzer whose TA makes an angle of %u03B8 = 33.8%u25E6 with the polarizer, What is the fraction of the original light transmitted through both the polarizer and analyzer
A piece of glass has a temperature of 87.0 °C. Liquid that has a temperature of 39.0 °C is poured over the glass, totally covering it, and the temperature at equilibrium is 54.0 °C. The mass of the glass and the liquid is the same. Ignoring the conta..
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