1. Compare the terminal velocity of a 10 nanometer particle with a 100 nanometer particle. Which...

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Electrical Engineering

1. Compare the terminal velocity of a 10 nanometer particle witha 100 nanometer particle. Which one â€œfallsâ€ through the air faster?What are the approximate speeds of both particles as they â€œfall?â€Use Equation 2.1 on page 35 in your analysis. Also use Pg = 1.225Kg/m³ and Pp = 1000 Kg/m³.
2. What is â€œfume fever?â€
3. What are CCNs and how are they affected by nanoparticles?
4. Why is the amount of dimethyl sulfide (DMS) produced byphytoplankton a concern?
5. What are the effects of cosmic rays on Earthâ€™satmosphere?

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3.7 Ratings (637 Votes)

1 Terminal velocity is inversely proportional to the root of area ie size of the particle nanoparticle So the terminal velocity of a 10nanometer particle is greater than a 100nanometer particle The 10nanometer particle falls faster through the air Terminal Velocity of the 10nanometer particle is approximately 1277753 msec and the terminal velocity of the 100nanometer particle is approximately 14142 msec 2 Metal fume fever also known as brass founders ague brass shakes zinc shakes galvie flu metal dust fever Welding Shivers or Monday morning fever is an illness primarily caused by exposure to chemicals such as zinc oxide ZnO aluminum oxide Al2O3 or magnesium oxide MgO which are produced as byproducts in the fumes that result when certain metals are heated Other common sources are fuming silver gold platinum chromium from stainless steel nickel arsenic manganese beryllium cadmium cobalt lead selenium See Answer

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