Problem 17.11: Forces in an atom. The particles in the nucleus of an atom are ap

Question

Problem 17.11: Forces in an atom. The particles in the nucleus of an atom are approximately 1 .00 x 10^-15 m apart. while the electrons in an atom are about 1.00 x 10 m from the nucleus. Part A Calculate the electrical repulsion between two protons in a nucleus if they are 1.45 x 10^-15 m apart. Part B How many pounds would the force be? Part C If you were holding these protons. do you think you could feel the effect of this force? Part D Calculate the electrical attraction that a proton in a nucleus exerts on an orbiting electron if the two particles are Part E If you were holding the electron, do you think you could feel the effect of this force?

Explanation / Answer

force between the two charges = F = k*q1*q2/r^2

F = (9*10^9*1.6*10^-19*1.6*10^-19)/((1.45*10^-15)^2)

F = 109.58 N   <<<_--answer

part(B)

1N = 0.225 Pound

F = 24.65 pound   <<<<----answer

part(C)

yes we can feel the effect

part(D)

F = (9*10^9*1.6*10^-19*1.6*10^-19)/((1.36*10^-10)^2)

F = 1.24*10^-8 N   <<<-answer

part(E)

No

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