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A geostationary (GEO) satellite is a satellite positioned over a fixed point at the equator and rotating synchronously with the Earth. It appears stationary for an observer on the ground. a) What is its orbital period (be precise with respect to the mean solar day and the sidereal day)? b) Calculate the radius and altitude of the orbit. c) What is the orbit semimajor axis, inclination, and eccentricity? d) Calculate the (plane) angle subtended by the earth as seen from the GEO orbit e) Calculate the maximum geographical latitude that a GEO satellite can see. (This effect puts polar regions off limits for GEO satellite applications.) f) Calculate the elevation angle at which the spacecraft is seen from Los Angeles, Ca., (geographical latitude 34.0); assume that the spacecraft is positioned over longitude of Los Angeles. g) Calculate the minimal round-trip time delay for a radio communications link between Los Angeles and the satellite.
Hydrostatic relation, An empirical formula relating pressure and density for seawater w/ temperature held constant is
a 50 cm long 800 w electric resistance heating element with diameter .5 cm and surface temperature 120c is immersed in 60 kg of water temperature to 80c. also determine the convection heat transfer coefficients at the beginning and at the end of t..
two solid cylinders rods AB and BC are welded together at B and loaded. determine the magnitude of the force P for which the tensile stress in rod AB is twice the magnitude of the compressive stress in rod BC?
How is the technology utilized effectively or ineffectively? What are some barriers to more effective usage, and what are some recommendations you would make to overcome these barriers?
Determine the Final Velocity, An object whose mass is 1 lb has a velocity of 100 ft/s. How would I determine the final velocity, in ft/s, if the kinetic energy of the object decreases
Assuming that the bomb is perfectly insulated what is the temperature of the air in the bomb at the end of filling process? Assume air is an ideal gas with constant specific heats in a ratio Cp/Cv = γ = 1.4 and constant R= 287 J/kg K.
Longitudinal versus Transverse Vibrations in a bar, A 48 inch long by 2 inch diameter round steel rod (E=30e6 psi, density=0.28 lb/in3) is fixed at one end and free at the other. If the rod is struck transversely so that there is both a longitudin..
The total force Fa + Fb exerted on the shelter is in the direction parallel to the line L and it's magnitude is 400 lb. Graphically determine the magnitudes of Fa and Fb.
Use Psychrometric chart to determine Latent portion
How much work(J)is done in a natural rubber filament when strains slowly and non reversely to a= 2?
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?
What is the correct decimal notation for the number 1.345 x 10-1?
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