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A satellite will travel indefinitely in a circular orbit around the earth if the normal component of its acceleration is equal to g(R / r)2 , where g = 9.81 m/s2 , R = radius of the earth = 6370 km, and r = distance from the center of the earth to the satellite.
Assuming that the orbit of the moon is a circle of radius 384 A? 103 km , determine the speed of the moon relative to the earth.
Steam enters the turbine of a simple vapor power plant with a pressure of 10 MPa and temperature (T), and expands adiabatically to 6kPa. The isentropic turbine efficiency is 85%. Saturated liquid exits the condenser at 6 kPa and the isentropic pump e..
If the beam has square cross section of 9 in., on each side, determine the absolute maximum bending stress in the beam.
the piston has a mass of 4kg and cross-sectional area of 35cm^2. A compressed spring above the piston exerts a force of 60N on the piston. if the atmospheric pressure is 95kPa, determine the pressure inside the cylinder.
Germanium and silicon have melting points of 958 and 1430 oC, respectively, and they form a continuous solid solution (totally soluble, like Cu-Ni). Thermal analysis provides the following data: Alloy liquidus solidus (wt% Si) temp. (oC) temp. (oC) 2..
saturated water vapor at 11.91 bar enters an insulated throttling valve which drops the pressure to 1.50 bar. determine
A furnace wall is to be constructed of brick having standard dimensions 9 by 4.5 by 3 in. Two kinds of material are available. One has a maximum usable temperature of 1900°F and a thermal conductivity of 1 Btu/(h ft°F), and the other has a maximum..
consider a steam power plant that operates between the pressure limits of 5 mpa and 10 kpa. steam enters the pump as
Find the heat flux (the rate of heat transfer divided by the surface area through which conduction occurs) through a 2 cm thick asphalt shingle roof on a cold winter morning. The shingles have a thermal conductivity of 0.75 W/m-K. The temperature ins..
2 balloons filled with helium made of latex same unfilled thickness 2mm amp 3cm diameter released at sea-level.balloon
a balloon uses hot air to provide its lifting capacity. prior to its release it is tethered to the ground by a steel
consider a steam power plant that operates between the pressure limits of 10 mpa and 20 kpa. steam enters the pump as
five kilograms of water vapor initially at 160 c and 3 bar are cooled at constant pressure until the quality is 0.4.a
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