A point particle with charge Q = +4.5 C is fixed in place at the origin....

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A point particle with charge Q = +4.5 C is fixed in place at the origin. A line of charge with length L = 2.0m and linear charge density = 7.0 nC/m is placed along the x-axis, with its left end a distance d = 12 cm from the origin. What is the force that the line of charge exerts on the point particle? For the limit check, investigate what happens to F if the line of charge becomes very short (i.e., L 0) while everything else remains fixed. A point particle with charge Q = +4.5 C is fixed in place at the origin. A line of charge with length L = 2.0m and linear charge density = 7.0 nC/m is placed along the x-axis, with its left end a distance d = 12 cm from the origin. What is the force that the line of charge exerts on the point particle? For the limit check, investigate what happens to F if the line of charge becomes very short (i.e., L 0) while everything else remains fixed.