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27 Nov 2019
An electron (q=-e) completes half of a circular orbit of radius raround a nucleus with Q= +3e
a) How much work is done on the elctron as it moves from i to f?Give either a numerical value or an expression from which you couldcalculate the value if you knew the radius. Justify youranswer.
b) By how much does the potential energy change as the electronmoves from i to f?
c) Is the electron's speed at f greater than, less than, or equalto its speed at i?
An electron (q=-e) completes half of a circular orbit of radius raround a nucleus with Q= +3e
a) How much work is done on the elctron as it moves from i to f?Give either a numerical value or an expression from which you couldcalculate the value if you knew the radius. Justify youranswer.
b) By how much does the potential energy change as the electronmoves from i to f?
c) Is the electron's speed at f greater than, less than, or equalto its speed at i?
15 Aug 2023
