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1. ### Physics Electrostatics?

The field points up (toward the negative plate), so for the object to be in equilibrium it must have lost electrons (have a positive charge). The weight is equal to the electrostatic force: mg = qE = (n*e)V/x 5.6e-12 * 9.81 = n * 1.6e-19 * 1910 / 0.00375 n = 674 electrons lost

2 Answers · Science & Mathematics · 13/09/2020

2. ### Physics Electric Charge?

...useful Gaussian surface) divided by the area and by the permittivity of space : E = Q / ε₀*A where ε₀ = 8.85e-12 C²...

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

3. ### Physics Electric Charge?

(a) Anywhere inside the cell the electric field is zero, since any Gaussian surface inside the cell encloses a charge of zero. (b) Just inside the surface -- still zero. (c) field E = q / (4πε₀r²) For q = -2.55e-12 C and r = ½*6.03...

1 Answers · Science & Mathematics · 08/09/2020

...t hear it. Light (one type of electromagntic wave) can travel through the vacuum of space , but sound can't.

2 Answers · Science & Mathematics · 26/08/2020

5. ### How can one frame of reference view space as being infinite and another view it as finite?

...extent for one but not the other. Essentially, a lorentz rotation of time and space cannot equal or exceed the speed of light which certainly limits the amount...

3 Answers · Science & Mathematics · 13/09/2020

6. ### Can you make a digital signal behave like an analog signal?

...can pack more channels into the same frequency band.  And because they can space out channels better with more channels you do not have the...

2 Answers · Science & Mathematics · 04/09/2020

7. ### Suppose you want to determine the electric field in a certain region of space . You have a small object of known charge ?

(a) By F = qE =>E = F/q = (35 x 10^-6)/(20 x 10^-6) = 1.75 N/C (due East) (b) By F = qE =>E = F/q = (35 x 10^-6)/(15 x 10^-6) = 2.33 N/C (due East)

1 Answers · Science & Mathematics · 26/08/2020

8. ### Does time Exist?

Yes, time exists and is real. The chemical reactions of your metabolism and the electrical signals in your nervous system and brain require time to happen.  The Universe is evolving. The...

16 Answers · Science & Mathematics · 19/08/2020

9. ### HELP with applied mathematics!!!! ...::Uniform Accelerated Motion::...?

The covered space is the area of the triangle ABC (not to scale) ; h is the top speed...

3 Answers · Science & Mathematics · 13/08/2020

10. ### How does a wheel actually work in terms of physics?

... Newton's first law.  Approximated by a space ship.  The only way we know to accelerate that ship ( or to brake it) is...

3 Answers · Science & Mathematics · 09/08/2020