Determine surface temperature if wind blows across wire
An electrical transmission line 0.5 cm in diameter with a resistivity of 0.3 mu ohm cm carries 100 A. If the wind blows across the wire with a velocity of 25 km/hr, determine the surface temperature. The ambient temperature is 22 degree C.
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A satellite circles the earth in a circular orbit of radius of R where R is the distance from the center of the earth. A second identical satellite circles in an orbit that is at twice the distance from the center of the earth (i.e. at a distance
The heat fusion of pure silicon is 43.4 kJ/mol. How much energy would be needed to melt a 5.24 - g sample of silicon at its melting point of 1693 K?
Calculate the final velocity. Assume that the specific heat at constant volume is 10.0 kJ/kg.K and that the inlet velocity is negligible.
If the wind blows across the wire with a velocity of 25 km/hr, determine the surface temperature. The ambient temperature is 22 degree C.
A heavy drape, hung close to a cold window, reduces heat loss considerably by interfering with heat transfer. Which heat transfer process would be most affected by the drape and why?
The rotor starts at t = 0 with no initial velocity; after 2.5 sec, the rotor has completed 5 revolutions. Write the equations of motion for the rotor and determine the angular velcity at t = 2.5sec.
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A police car is moving at 36.7 m/s (82.1 mi/h) behind a speeding car that is going faster. The speed limit is 29.1 m/s (65.0 mi/h). A police car radar "clocks" the speed of the other car by emitting microwaves with frequency 2.8 1010 Hz and observ
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
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