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The atmosphere on Mars is comprised of mostly carbon dioxide at a pressure of 600 Pa (that is not a mistake, it is in Pa). The earth's average atmospheric pressure, on the other hand, is about 101.3 kPa. Starting from the same temperature of 250 K and assuming both air and carbon dioxide behave as ideal gasses with constant specific heats (use the value at the initial state) what would be the final temperature of 1 m3 of atmosphere from each of these planets if 1000 J of energy from the sun was absorbed.
a gas turbine brayton cycle operates with an intercooler a re-heater and a regenerator. air enters the engine at 14 psi
A large tower is to be supported by a series of steel wires; it is estimated that the load on each wire will be 13,300 N (3000 lbf). Determine the minimum required wire diameter, assuming a factor of safety of 2 and a yield strength of 860 MPa (12..
Two equal masses are connected on either side of a pulley. One of the masses rests on an inclined plane with angle of inclination of b. The other one hangs in mid air.
consider a magnet moving in a coil of n turns. this system can be modelled as mass spring damper system. the damping
the dredger is loading a sand onto a barge.the sand leaves the dredger pipe at 4ft/s with a weight flux of 850 lbs/s. estimate the tension on the mooring line caused by this loading.
Describe the four incorrect assumptions concerning robot - arm movement that are most frequently responsible for impact accidents.
Estimate the mass of the gas in the tank in kg assuming the gas behaves as an ideal gas. If the gas warms up to 35 deg C as it sits in the sun all day, what would the pressure rise to?
wind turbines are becoming more and more common as a method of energy production wind turbines by their very nature are
Derive the operational transfer function and the sinusoidal transfer function for an RC high-pass filter. Plot the step response and the complete frequency response (magnitude and phase).
Evaluate the maximum height reached by the sphere, and the distance traveled by the block.
The formula for the coefficient of performance 'COP' for air standard refrigeration cycle when we use cold air properties is not given in the text. Derive the expression for COP as function of the compression ratio similar to how the ideal Brayton..
the upside-down steel a frame shown in the figure is to be bolted to steel beams on the ceiling of a machine room using
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