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$\bullet$ Forces in an atom. The particles in the nucleus of an atomare approximately $10^{-15} \mathrm{m}$ apart, while the electrons in anatom are about $10^{-10} \mathrm{m}$ from the nucleus. (a) Calculate theelectrical repulsion between two protons in a nucleus if theyare $1.00 \times 10^{-15} \mathrm{m}$ apart. If you were holding these protons,do you think you could feel the effect of this force? How manypounds would the force be? (b) Calculate the electrical attrac-tion that a proton in a nucleus exerts on an orbiting electron ifthe two particles are $1.00 \times 10^{-10} \mathrm{m}$ apart. If you were hold-ing the electron, do you think you could feel the effect of thisforce?
a) 230.71$N$b) $2.31 \times 10^{-8} N$
Physics 102 Electricity and Magnetism
Chapter 17
Electric Charge and Electric Field
Gauss's Law
Electric Potential
Cornell University
Rutgers, The State University of New Jersey
University of Sheffield
Lectures
11:53
In physics, a charge is a …
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The electric force is a ph…
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Electric Force Within the …
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Two protons in an atomic n…
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If the nucleus is a few fi…
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Protons in an atomic nucl…
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Determine the electrical f…
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$\bullet$ Electric fields …
Consider two protons (char…
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The two positively charged…
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(a) Two protons in a molec…
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The “size” of the atom in …
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00:51
Two electrons in an atom …
02:52
(II) Compare the electric …
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06:13
02:06
(I) What is the repulsive …
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The nucleus of an atom is …
05:39
Proton Energy in a Nucleus…
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If two electrons are each …
problem number 11. In this problem, it is given that that distance between to Provence in the nucleus is R B calls to tend to the power minus repealed meters. We know their charge on a proton is 1.6 into 10 to the power minus 19 columns. So the repulsive force between two protons in a Nicolas is F B was too gay. US square one R B B squared. Now, substituting the values, we'll get Kay's Gollum's constant Indo 1.6 into 10 to the power whiteness. 19. This is a squired upon turned through the power minus 15 he's squared. This will give us the repulsive force between two protons as 2 30 Newton's. This forces considerable, and we will feel this force every hold the protons this forces he could learn to 51 phoned force. Now, for the second part of the question, we have to find the attractive force between a proton and then electron. The attractive force is given us lining to turn to the lower nine into 1.6 into turn to the boat my nest. 19. Since the judge on the electron and proton have saved magnitudes upon their distance between Proton and electron, which is given us 10 to the power minus then meters. This will give us one day three in tow, 10 to the power my nest nine Newton's this forces very less so. We will not feel this is a small force between the proton and Aleppo in
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