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The nucleus of lead-208, , has 82 protons within a sphere of radius 6.34 * 10-15.Each electric charge has a value of 1.60 *10-19 C.Assuming that the protons create a spherically symmetric distribution of charge, calculate the electric field at the surface of the nucleus.
Criterion Variable
The dependent variable in an experimental design, which is influenced or predicted by other variables.
Mediator Variable
A variable that explains the mechanism through which an independent variable influences a dependent variable in a causal relationship.
Predictor Variable
A variable, often designated as the independent variable, that is used to make predictions about (or is assumed to cause) changes in another variable.
Criterion Variable
The variable that is predicted or explained in a study, often considered the outcome or dependent variable.
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