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Problem: A particle with a charge of -60.0 nC is placed at the center of a non conducting spherical shell of inner radius 20.0 cm and outer radius 36.0 cm. The spherical shell carries charge with a uniform density of -1.00 µC/m3. A proton moves in a circular orbit just outside the spherical shell.
Part A: Calculate the speed of the proton.
________________m/s
Please show work or how to obtain this answer thank you.
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