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A spherical communication satellite with a diameter of 2.5m is orbiting around the earth. The outer surface of the satellite in space has an emissivity of 0.75 and a solar absorption of 0.10, while solar radiation is incident on the spacecraft at a rate of 1000 W/m^2. If the satellite is made of material with an average thermal conductivity of 5 W/mK and the midpoint temperatureis 0 degrees celcius, determine the heat generation rate and the surface temperature of this satellite. Assume the temperature in space as 0 Kelvin.
assignment 1problem 1determine the analytical solution for the maximum stress of the beam shown compare with stress
how can this goal be achieved? are there alternative solutions which might also be effective?
Knowing that crank AB has a constant angular velocity of 160 rpm counterclockwise, determine the angular velocity of rod BD and the velocity of collar D when a. delta=0, b. delta = 90.
a satellite is in earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km.a. what is
at a certain event 16 people attend and 5 will be chosen at random to receive door prizes. the prizes are all the
Draw the shear force diagram for the beam and determine the position and magnitude of the maximum bending moment.
Determine the radius of the crank R and the speed n of a slider crank mechanism, used in a shaker table. It is required that the average speed of the table is 5 m/s, and the maximum absolute acceleration is 3000m/s^2. Assume ratio R/L=0.2
a small sphere of reference-grade iron with a specific heat of 447 jkgk and a mass of 0.515 kg is suddenly immersed in
a roast is in an oven and weighs 2.25 kg. it is initially at 6 degrees celsius and needs to be heated to 80 degrees
a power unit has a power rating of 30 kw and supplies flow at a rate of 60 lpm, what is the maximum pressure this unit can withstand?
What is the acceleration of the truck if the coupling at C suddenly fails? The car wheels are free to roll. Neglect the mass of the wheels.
Sketch the T-s diagram for the cycle (put labels and appropriate information)
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