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Question: A gas has a molar mass of 44 and a specific heat ratio of 1.3. At a certain point in the flow, the static pressure and temperature are 80 kPa and 15°C, respectively and the velocity is 100 m/s. The gas is then isentropically expanded until its velocity is 300 m/s. Find the pressure, temperature, and Mach number that exist in the resulting flow.
Soda are made fizzy by the carbon dioxide (CO2)dissolved int he liquid. An amount of carbon dioxide equal to about8.0 L of carbon can be dissolved in a 2-L bottle of soda. The molarmass of CO2 IS 44g/mol.
A potter's wheel is a uniform solid disk of diameter 0.72m and a mass of 60kg. what minimum total friction force must the potter supply to the disk if her hands are acting at the edge of the disk
The local acceleration of gravity is 9.813 m/s 2 , and the atmospheric pressure is 101.57 kPa. a) What is the force (in Nt) exerted on the gas by the piston, the weight and the atmosphere combined
A uniform electric field of magnitude 415 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.00 cm. What is the work done by the field on the electron
A small button placed on a horizontal rotating platform withdiameter 0.320m will revolve with the platform when it is broughtup to a speed of 40.0 rev/min, How far from the axis can the button be placed
A pen contains a spring by a spring constant of 200 N/m. When the tip of the pen is in its retracted position, the spring is compressed 5.90 mm from its unstrained length. In order to push the tip out and lock it into its writing position, the spring..
a 41.0 omega resistor and a 93.9 omega resistor are connected in parallel and the combination is connected across a 120
A Light-Dimmer Circuit The intensity of a lightbulb with a resistance of 140 Ohms is controlled by connecting it in series with an inductor whose inductance can be varied from L=0 to L=Lmax. What is the average power dissipated in the lightbulb whe..
A fish takes the bait and pulls on the line with a force of 2.3N . The fishing reel, which rotates without friction, is a uniform cylinder of radius 0.060m and mass 0.86kg, What is the angular acceleration of the fishing reel
What is the acceleration of the bucket as it falls toward bottom of the well? What is the net force felt by the bucket?
A block of mass m = 0.31 kg is set against a spring with a spring constant of k1 = 532 N/m which has been compressed by a distance of 0.1 m. Some distance in front of it, along a frictionless surface, is another spring with a spring constant of k..
A 60.0-g object is attached to a horizontal spring with a force constant of 15.0 N/m, What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless
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