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Question: Air flows through a convergent-divergent passage. The passage inlet area is 5 cm2, the minimum area is 3 cm2 and the exit area is 4 cm2. The air velocity at the inlet to the passage is 120 m/s. The pressure is 700 kPa and the temperature is 40°C. Assuming that the flow is isentropic, find the mass flow rate through the passage, the Mach number at the minimum area section, and the velocity and pressure at the exit section.
a horizontal conductor that is part of a power line carries a current of 6600 a from south to north. earths magnetic
in a wild shot rashad flings a pool ball of a mass of a .7m high pool table and the ball hits the floor with a speed
Your eye (diameter 2.5 cm) is able to focus the image of a tree on your retina. The tree is 24 m tall and 85 m away. What is the size of the image of the tree on your retina
A spring stretches 3.5-cm when a 5-g object is hung from it. The object is replaced by a block of mass 24 g that oscillates in simple harmonic motion. Compute the period of motion.
What is the value of B? Assume the time between successive high tides is 12.4 hours.
Approximately what temperature would a gas be if it is to expand from a 1ft cubed volume of gas
Two balls of equal mass collide and travel off in different directions as shown. Assume the red (inicident) ball leaves at an angle of 60ofrom it's initial direction of motion and the green (originally stationary) ball leaves at an angle of 30o. (Not..
question1viscoelasticity a deformation of cross-linked polymeric microgel particle carbopol is described by the
The left arm of the tube has a cross-sectional area of A1=10 cm2, and the right arm has a cross-sectional area of A2=5 cm2. find the length of the water column in the right arm of the U-tube
when combing your hair, you transfer electrons from the hair onto the comp. is your hair then positively or negatively charged? how about the comb.
a). Calculate the mass in kilograms of a carbon dioxide molecule whose molecular weight is 44.009 atomic mass units. (Remember that Avogadro's Number is 6.022×1023 molecules per gram-molecular weight)
A proton having an initial velocity of 17.2i hat bold Mm/s enters a uniform magnetic field of magnitude 0.360 T with a direction perpendicular to the proton's velocity. Determine the time interval for which the proton is in the field
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