An electrostatic dust precipitator that is installed in a factory smokestack includes a straight metal wire of length l = 0.6 m that is charged approximately uniformly with a total charge q=0.8 x 10-7 c. a speck of coal dust (which is mostly carbon) is near the wire, far from both ends of the wire; the distance from the wire to the speck is d= 1.1 cm. carbon has an atomic mass of 12 (6 protons and 6 neutrons in the nucleus). a careful measurement of the polarizability of a carbon atom gives the value a = 1.96 x 10-40 (c. m)/(n/c). (a) calculate the initial acceleration of the speck of coal dust, neglecting gravity. your answer must be expressed in terms of q, l, d, and a. you can use other quantities in your calculations, but your final result must not include them. it is convenient to use the "binomial expansion" that you may have learned in calculus, that (1 + )" 1+ne if € < 1. note that n can be negative. (enter the magnitude. use the following as necessary: q, l. d, a, 60, and m for the mass of a carbon atom. use the binomial expansion in your answer.) a= a = 2 edit calculate the initial acceleration of the speck of coal dust, neglecting gravity. don't put numbers into your calculation until the very end, but then show the numerical calculation that you carry out on your calculator. (enter the magnitude.) m/s2 (b) if the speck of coal dust were initially seven times as far from the charged wire, how much smaller would be the initial acceleration of the speck?

the assestment will probley apele with cause and effect

so here is the information for current research:

-nrel's geothermal analysts, scientists, and engineers perform a full range of research from developing advanced methods of locating and accessing geothermal resources to exploring innovative technologies to extract and produce clean energy from the heat of the earth

and here is the information for the technology of geothermal energy:

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-a geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building

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the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19