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Male and female students were surveyed about dancing and playing sports. They had the following preferences:
Which of the following is a two-way conditional frequency table for gender?
Two tanks are connected by a valve. One tank contains 2kg of carbon monoxide gas at 77oC and 0.7 bar. The other tank holds 8 kg of the same gas at 27oC and 1.2 bar. The valve is opened and the gases are allowed to mix while receiving energy by heat t..
an engine rejects 1260 mjh when running at a thermal efficiency of 22. the calorific value of the fuel used is 42 mjkg.
A slender rod 0.6 m long rotates about an axis perpendicular to its length and 0.14 m from its center of gravity. If the rod has a mass of 8 kg, determine its mass moment of inertia about this axis
The barometric pressure is reported to be 605.5 torr and the temperature of the water is 22.5 c what is the pressure of dry hydrogen gas in the eudiometer? How is the mass of the gas filling the Erlenmeyer determined?
In a car engine gasoline (assume octane C8H18) is evaporated and then mixed with air in a ratio of 1:15 by mass. In the cylinder the mixture is at 750 kPa, 650 K when the spark fires. For that time find the partial pressure of the octane and the spec..
in usa 53 of total electric power is currently generated by coal-fired power plants. typically generation of 1 kwh of
(a) The mechanical efficiency of the pump and (b) The temperature rise of water as it flows through the pump due to the mechanical inefficiency.
1. Determine the volume change, in ft3, when 1 lb of water, initially saturated liquid, is heated to saturated vapor while pressure remains constant at 1.0, 14.7, 100, and 500, each in lbf/in.2 Comment. 2. For H2O, determine the specified property..
a crate sliding down a ramp reaches the bottom of the ramp and slides across a flat floor. at an instant after reaching
the weather drops to 5 degrees celcius t1 so to keep warm you offer to make hot soup for the entire group. the
an incompressible fluid flows past in a solid plate.the x and y coordinates are measured from the leading edge of the
the 50-kg flywheel has a radius of gyration about its center of mass of ko 250 mm. it rotates with a constant angular
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