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A diffuser having an efficiency of 92.0% is to be used to reduce the velocity of an air stream initially at 450. ft/s, 65.0°F, and 50.0 psia down to a Mach number of 0.100. Calculate
a. The exit to inlet area ratio (Aexit/Ainlet) required.
b. The pressure recovery factor for the diffuser.
A mobile at the art museum has a 2.0 kg steel cat and a 4.0 kg steel dog suspended from a lightweight cable, as shown in the figure (Figure 1) . It is found that? 1 = 27? When the center rope is adjusted to be perfectly horizontal
In a certain region the average horizontal component of Earth's magnetic field is 23 µT, and the average inclination or "dip" is 78°. What is the corresponding magnitude of Earth's magnetic field in MicroTesla
A straight wire carrying a 2.7 A current is placed in a uniform magnetic field of magnitude 0.25 T directed perpendicular to the wire. Find the magnitude of the magnetic force on a section of the wire having a length of 10 cm
A 680 kg satellite is in a circularorbit about the Earth at a height above the Earth equal to theEarth's mean radius. Find the period of its revolution
question two particles with identical positive charges and a separation of 2.70 10-2 m are released from rest.
Most of the UV from the sun doesn't actually reach Earth's surface. What protective layer in the atmosphere offers this protection?
If the energy of the H2 covalent bond is 4.44 eV, what wavelength of light is needed to break the molecule apart
A car is driving at a constant speed of 50km/hr. Another car starts from the same position after 20 seconds. What is the velocity of the second car
When she stands 3.5m from you, what is the height of her image formed on the retina of your eye, What is the height of her image when she is 4.5 m from you
In the figure, a long straight wire carries a current I1 = 42.1 A and a rectangular loop carries current I2 = 16.2 A. Take a = 1.43 cm, b = 9.67 cm, and L = 40.5 cm. What is the magnitude of the net force on the loop due to i1?
A 3.00-g bullet, traveling horizontally with a velocity of magnitude 370 m/s, is fired into a wooden block with mass 0.800 kg, What is the decrease in kinetic energy of the bullet
Two charged bodies exert a force of 150E-03 Newton on each other. Find what will be the force if they are moved so they are one-eighth as far apart
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