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Recent photographs from NASA's Mars Orbiter Camera on the Mars Global Surveyor provide new evidence that water may still flow on the surface of Mars. Obtain information about the possibility of current or past open-channel flows on Mars and other planets or their satellites. Summarize your findings in a brief report.
Air in a piston-cylinder assembly is compressed isentropic ally from state 1, where T1 = 35°C, to state 2, where the specific volume is one-fifth of the specific volume at state 1. Applying the ideal gas model with k = 1.4, determine (a) T2, in °C an..
A 20 ft long by 7 ft high window with ¼-in clear glass faces 10°E of south, the building is at 32°N latitude, and it is January 15 at 2 p.m. solar. The ground outside is covered by dead grass.
A 1.2-lb metal bar initially at 2100oR is removed from an oven and quenched by immersing it in a closed tank containing 28 lb of water initially at 620oR. Each substance can be modeled as incompressible.
determine the work done by a 1-lb fluid system as it expands slowly within a piston-cylinder arrangement from an
A rigid adiabatic container in a room with a barometric pressure of 100 kPa is divided into two unequal volumes as shown. V1 = 0.108 m3 and contains air (R = 0.2870 kJ/kg-K, k = 1.40) at a gauge pressure of 32 kPa and temperature of -3°C.
determine the minimum coefficient of static friction between the uniform 50 kg spool and the wall so that the spool
a propeller drive shaft is to transmit 2500 hp at 75 rpm. it is to be made of aisi 1040 wqt 1300 steel. use a design
Two torsional springs, M = ku, are used to assist in opening and closing the hood of this truck. Assuming the springs are uncoiled (u = 0°) when the hood is opened, determine the stiffness k (N # m>rad) of each spring so that the hood ..
calculate the critical radius for a nickel embryo nucleus that is undercooled 150 degrees c. the melting point of ni
a steam power plant operates on the ideal reheat rankine cycle. steam enters the high-pressure turbine at 6 mpa and 400
in a special test for determining the performance of a heat exchanger an electric heater produces a temperature
the pipe assembly is secured on the wall by the two brackets. if the weight of the flower pot is 50 lba determine
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