%3Cp%3E%3Cspan%20style%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetic
ID: 2273925 • Letter: #
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%3Cp%3E%3Cspan%20style%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%22%26nbsp%3Bdata-mce-style%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%22%3EA%26nbsp%3Bproton%26nbsp%3Bis%26nbsp%3Bplaced%26nbsp%3Bat%26nbsp%3Bthe%26nbsp%3Borigin.%26nbsp%3BAn%26nbsp%3Belectron%26nbsp%3Bthat%26nbsp%3Bis%26nbsp%3Binitially%26nbsp%3Bvery%26nbsp%3Bfar%26nbsp%3Baway%26nbsp%3Bis%26nbsp%3Bthen%26nbsp%3Btaken%26nbsp%3Bon%26nbsp%3Bthe%26nbsp%3Bpath%26nbsp%3Bshown%26nbsp%3Bin%26nbsp%3Bthe%26nbsp%3Bfigure%26nbsp%3Bbelow%26nbsp%3Band%26nbsp%3Beventually%26nbsp%3Bstops%26nbsp%3Ba%26nbsp%3Bdistance%26nbsp%3Bof%26nbsp%3B%3C%2Fspan%3E%3Cnobr%26nbsp%3Bstyle%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%22%26nbsp%3Bdata-mce-style%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%22%3E%3Cem%3Ed%3C%2Fem%3E%26nbsp%3B%3D%26nbsp%3B%3Cspan%26nbsp%3Bcolor%3D%22%23dd0000%22%26nbsp%3Bstyle%3D%22color%3A%26nbsp%3B%23dd0000%3B%22%26nbsp%3Bdata-mce-style%3D%22color%3A%26nbsp%3B%23dd0000%3B%22%3E9.9%3C%2Fspan%3E%26nbsp%3Bnm%3C%2Fnobr%3E%3Cspan%26nbsp%3Bstyle%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%22%26nbsp%3Bdata-mce-style%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%22%3E%3C%2Fspan%3E%3Cnobr%26nbsp%3Bstyle%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%22%26nbsp%3Bdata-mce-style%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%22%3E(%3D%26nbsp%3B%3Cspan%26nbsp%3Bcolor%3D%22%23dd0000%22%26nbsp%3Bstyle%3D%22color%3A%26nbsp%3B%23dd0000%3B%22%26nbsp%3Bdata-mce-style%3D%22color%3A%26nbsp%3B%23dd0000%3B%22%3E%3C%2Fspan%3E%3C%2Fnobr%3E%3Cspan%26nbsp%3Bcolor%3D%22%23dd0000%22%26nbsp%3Bstyle%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%26nbsp%3Bcolor%3A%26nbsp%3B%23dd0000%3B%22%26nbsp%3Bdata-mce-style%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%26nbsp%3Bcolor%3A%26nbsp%3B%23dd0000%3B%22%3E%3Cnobr%3E9.9%26nbsp%3B%3Cimg%26nbsp%3Bsrc%3D%22http%3A%2F%2Fwww.webassign.net%2Fimages%2Fmultiply.gif%22%26nbsp%3Bdata-mce-src%3D%22http%3A%2F%2Fwww.webassign.net%2Fimages%2Fmultiply.gif%22%3E%26nbsp%3B10%3Csup%3E-9%3C%2Fsup%3E%3C%2Fnobr%3E%3C%2Fspan%3E%3Cspan%26nbsp%3Bstyle%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%22%26nbsp%3Bdata-mce-style%3D%22font-family%3A%26nbsp%3Bverdana%2C%26nbsp%3Bhelvetica%2C%26nbsp%3Bsans-serif%3B%26nbsp%3Bfont-size%3A%26nbsp%3B13px%3B%26nbsp%3Bline-height%3A%26nbsp%3B20px%3B%22%3E%26nbsp%3Bm)%26nbsp%3Bfrom%26nbsp%3Bthe%26nbsp%3Bproton.%26nbsp%3BHow%26nbsp%3Bmuch%26nbsp%3Bwork%26nbsp%3Bwas%26nbsp%3Bdone%26nbsp%3Bon%26nbsp%3Bthe%26nbsp%3Belectron%26nbsp%3Bto%26nbsp%3Bmove%26nbsp%3Bit%26nbsp%3Balong%26nbsp%3Bthis%26nbsp%3Bpath%3F%3C%2Fspan%3E%3C%2Fp%3E%3Cp%3E%3Cimg%26nbsp%3Bclass%3D%22user-upload%22%26nbsp%3Bsrc%3D%22http%3A%2F%2Fmedia.cheggcdn.com%2Fmedia%252F555%252F55537530-711b-4d67-bbb2-f6b0ba77b74c%252FphpyO360i.png%22%26nbsp%3Bheight%3D%22172%22%26nbsp%3Bwidth%3D%22219%22%26nbsp%3Bdata-mce-src%3D%22http%3A%2F%2Fmedia.cheggcdn.com%2Fmedia%252F555%252F55537530-711b-4d67-bbb2-f6b0ba77b74c%252FphpyO360i.png%22%3E%3C%2Fp%3EExplanation / Answer
Work done on electron = - [Change in potential energy.]
Final potential energy = k.q1.q2 / r^2
Initial energy = 0
Thus, work done = - 9 * 10^9 * 1.6 * 10^-19 * 1.6 * 10^-19 / [ 9.9^2 * 10^-18 ]
= - 2.35 * 10^-12 J
This is the work done.
THANK YOU. DO RATE.
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