A -33 nC charge is held 1 cm above the center a uniformly charged disk 13 m in radius. If the electric force on that charge is measured to be downward and has a magnitude of 7.58 x 10-5 N, find the surface charge density of the disk in nC/m2. Do not use scientific notation.

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A -33 nC charge is held 1 cm above the center a uniformly charged disk 13 m in radius. If the electric force on that charge is measured to be downward and has a magnitude of
7.58 x 10-5 N, find the surface charge density of the disk in nC/m2 Do not use scientific notation.
409.72
Correct Answer: 40.66
Transcribed Image Text:A -33 nC charge is held 1 cm above the center a uniformly charged disk 13 m in radius. If the electric force on that charge is measured to be downward and has a magnitude of 7.58 x 10-5 N, find the surface charge density of the disk in nC/m2 Do not use scientific notation. 409.72 Correct Answer: 40.66
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