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Air at 13 psia and 20°F enters an adiabatic diffuser steadily with a velocity of 600 ft/s and leaves with a low velocity at a pressure of 14.5 psia. The exit area of the diffuser is 5 times the inlet area. Determine
(a) The exit temperature and
(b) The exit velocity of the air.
White light is shone on a very thin layer of alcohol (n = 1.36), and above the alcohol layer, interference maxima for two wavelengths (and no other in between) are seen: one violet wavelength of 410 nm, and one red wavelength of 670 nm. What is the t..
An opera singer in a convertible sings a note at 600 whereas cruising down the highway at 81. What is the frequency heard by a person standing beside the road in front of car? What is the frequency heard by the person standing beside the road behi..
One string of a certain musical instrument is 72.0 cm long and has a mass of 8.76 g . It is being played in a room where the speed of sound is 344 m/s . a) To what tension must you adjust the string so that, when vibrating in its second overtone, ..
A 1.5 kg mass is suspended from a spring with a spring constant 250 N/m. How far does the spring stretch from its equilibrium position
A hydrogen atom initially in the n=3 level emits a proton and ends up in the ground state. what must the energy of this photon be and What is the energy of the emitted photon
How much longer should the minimum length of a plane mirror be for a 6 ft 3 in man to see his complete head-to-toe image than for a 5 ft 3 in woman to do so?------in
Bats emit sounds of frequencies around 35.0 kHz and use echolocation to find their prey.What frequency is heard by the insect
Ann uses a hose to water her garden. The water enters the hose through a faucet with a 6.0-cm diameter. what is the diameter of the nozzle
A 150 F capacitor charged initially to 0.31 mC is connected across a resistor, and 2.0 second later its charge has dropped to 0.21 mC. Evaluate what the resistance
Sunlight strikes a piece of crown glass at an angle of incidence of 38 degree. Find the difference in the angle of refraction between a yellow (580 nm) and a violet (410 nm) ray within the glass
a certain system has 6x10624 degrees of freedom, which internal energy increases by 1%; then, by what factor does the number of accessible estates increase
A sample of paramagnetic material containing \(10^{25}\) atoms is placed in an external field magnetic field of 1 tesla at room temperature
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