Posted by OLIVIA on Wednesday, February 7, 2007 at 6:43am.
A proton (with a mass, mp = 1.673 x 10^27 kg & electrical charge, e = 1.602 x 10^19) and an electron (with a mass, me = 9.109 x 10^31 kg & electric charge e = 1.602 x 10^19) are not moving & at a distance of 1.000 x 10^10 m apart.... (assuming the electrical constant, ke = 8.988 x 10^9 Nm^2C^2 & gravitational constant, G = 6.672 x 10^11 Nm^2kg^2.
 With this info, I am required to calculate the numerical value for the magnitude of the ELECTRIC force between the proton & the electron (is this attractive or repulsive)...
 How do I calculate the GRAVITATIONAL force and state the attraction respectively?
You know it is attractive , opposite charges,
electric force = kqq/d^2
Gravitational force= G Mm/d^2
The values of k, and G are in your text.
what does the kqq/d^2 & Mm/d^2 represent with the figures at hand?
There are the equations for the coulomb force between two charges.
And the Gravitational force equation.
Both of these equations are in your text.

Chemestry  Mekdes, Saturday, December 12, 2015 at 2:14pm
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