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In a supersonic wind tunnel utilizing air similar to that shown in given Figure, the converging-diverging nozzle section has an inlet isentropic stagnation pressure of 3.20 atm.
The test section has a Mach number of 2.70, and the convergingdiverging diffuser section has an exit pressure of 1.00 atm. Determine the efficiency of the converging-diverging diffuser section.
A body is traveling at 5.70 m/s along the positive direction of an x-axis. No net force acts on the body. What is the speed of the forward part
The bullet lodges in the forehead of the victim and comes to a rest. If the victim's head has a mass of 5 kg and was at rest before impact, what is the stress on the cervical vertebra
A magnetic field of strength 0.27 T is directed perpendicular to a plane circular loop of wire of radius25 cm. Find the magnetic flux throughthe area enclosed by this loop.
A and B went to rock climbing. A and B used similar length rope but Arope is more elastic,which stretches a bit. B has static rope,which doesn't stretch,and is not recommended forsafety purpose in procliming.
a rectangular loop of resistance r 0.001 ohms measuring x 0.15 m by y 0.07 m is projected with velocity v 6.2 ms
Assume that if the shear stress in steel exceeds about 4.00 108 N/m2, the steel ruptures. (a) Determine the shearing force necessary to shear a steel bolt 1.50 cm in diameter. N (b) Determine the shearing force necessary to punch a 1.50-cm-diameter h..
Sodium ions (Na+) move at 0.844 m/s through a bloodstream in the arm of a person standing near a large magnet. what would be the magnetic force on the arm
A boat is traveling upstream in the positive direction of the x axis at 12 km/h with respect to the water of a river. Find the velocity of the boat with respect to the floor
How long after the beginning of the power failure would it have taken the flywheel to stop if the power had not come back on? Explain how many revolutions would the wheel have made during this time?
Calculate your angular speed (in radians/sec) and your centripetal acceleration (meters per sec2) at 34 degrees north latitude because of the rotation of the Earth
the wingspan tip-to-tip of a boeing 747 jetliner is 59 m. the plane is flying horizontally at a speed of 300 ms. the
A particle with charge q moves in a circular orbit around the origin with radius a in the xy-plane with constant angular velocity omega. At t = 0 the particle sits at the point (a, 0).
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