A 12 cm piece of nylon string lies along the x axis, starting at x 0 cm The first 5 cm of the string has a charge density of 7 C cm, and the remaining length of the string has a charge density of 6 C cm What is the x component of the total electric field at the position x 16 cm ...

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A 12 cm piece of nylon string lies along the x-axis, starting at x=0 cm. The first

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A 12 cm piece of nylon string lies along the x-axis, starting at x=0 cm. The first 5 cm of the string has a charge density of -7 μC/cm, and the remaining length of the string has a charge density of -6 μC/cm. What is the x-component of the total electric field at the position x=16 cm?