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  1. V = k(3µ)/0.14 = 193000 volts Potential from a charge is V = kQ/r in volts    k = 1/4πε₀ = 8.99e9 Nm²/C²    r is separation in meters    q is charge in coulombs

    1 Answers · Science & Mathematics · 09/02/2020

  2. I think the most dull and boring thing about you is your personality. 

    4 Answers · Beauty & Style · 03/08/2020

  3. The volume of a sphere with radius "r" is given by: V = 4*π*r³/3 so: r = (3V/(4π))^(1/3) The surface area of a sphere with radius "r" is given by: A = 4π*r² You want to know the area given the volume...

    4 Answers · Science & Mathematics · 31/10/2019

  4. (A) By J = σE, where J is the current density at a given location in a resistive material, E is the electric field at that location, and σ (sigma) is a material-dependent parameter called the conductivity.  =>E = J/σ =>E...

    1 Answers · Science & Mathematics · 05/07/2020

  5. Please remember to select a Best Answer from among your results.

    1 Answers · Science & Mathematics · 30/07/2020

  6. AC = 2.  See below for explanation. Notice that there are two similar triangles, ABC and EBD.  The area of EBD is twice that of ABC, since the trapezoid area is equal to that of triangle ABC. But, the square...

    3 Answers · Science & Mathematics · 19/12/2019

  7. I've spent some time researching this and I'm pretty sure this is right: V = ∫E dr = ∫ (λ / 2πrε₀) dr = (λ / 2πε₀)*ln(R/r) = 4800 V The only question I have is "what is R" -- in other...

    1 Answers · Science & Mathematics · 25/01/2020

  8. moles ethanol = 1.50 g / 46.07 g/mol = 0.03256 mol PV = n RT P = nRT/V P = 0.03256 mol (0.08206 Latm/molK) (523 K) / 0.251 L P = 5.56 atm If you need pressure in a different unit, just use the R that...

    1 Answers · Science & Mathematics · 10/02/2020

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