Math Problem Statement
The potential on the axis of a uniformly charged disk at 5.5 cm from the disk center is 160 V ; the potential 12 cm from the disk center is 120 V . Part A Find the disk radius. Express your answer in centimeters. Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type
a
Solution
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Math Problem Analysis
Mathematical Concepts
Electrostatics
Electric Potential
Nonlinear Equations
Formulas
V(z) = (σ / 2ε_0) * (√(R^2 + z^2) - z)
Simplified potential equation: √(R^2 + z^2) - z = V
Theorems
Gauss's Law for Electric Fields
Potential of a Uniformly Charged Disk
Suitable Grade Level
University Physics (Electromagnetism)
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