Question

What is the force (in N) acting on an electron at a point 1.6 nm from a nucleus with atomic number Z = 80?

          What is the force (in N) acting on an electron at a point 1.6 nm from a nucleus with atomic number Z = 80?
        

Added by Deborah V.

University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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What is the force (in N) acting on an electron at a point 1.6 nm from a nucleus with atomic number Z = 80?
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Transcript

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00:01 Hello everyone, so i'll be solving this question.
00:05 In the question it has given that there is a verconium nucleus which has 40 protons in it, right? and there is an electron which is moving in this orbit at a distance of one nanometer from the nucleus.
00:26 Correct? and what more is given to us is that k is equal to.
00:35 9 into 10 to the per 9 newton meter square per kulum square and e which is also the charge on one electron that is given to us so the value of e that is given to us is given as 1 .6 into 10 to the power minus 90 coolum right so this also denotes the charge on the electron for the charge on nucleus i'll write it as n that will be 40 since the charge on one proton is also the same as the charge in the electron however though there are 40 neutrons in the nucleus 40 protons in the nucleus i'm sorry for the error so there are 40 protons in the nucleus therefore the total charge will 40 which is 40 times 1 .6 times 10 to the power minus 19 quorum.
01:49 Okay, and if we calculate the force, so the force is given as kq1, q2 by r square...
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