7.1 A cylindrical cast-iron casting has an axial hole extending partway through the casting, as shown. Locate the center of gravity of the casting. 6" diam. hole 12" 31-0" 5'-0"

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Q: 9&10 please! Thank you!

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Q: A +12 nC charge is located at the origin. Part A What is the electric field at the position (x1, Y1)…

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