Question

Two point charges Qi = _ 40 μcoul and a, + 120 μcoul are fixed on the xy plane as shown in the figure at left ; note the loca- tion of point P. a. What is the electric field at point P due to Q1 b. What is the electric field at point P due to 02? c. What is the resultant electric field (expressed in unit vec- tor form) at point P? d. What is the magnitude and direction of the resultant electric field at point P? e. A small charged particle having a mass of (240 μkg) and a charge of (-150 μcoul) is placed at point P i assuming negli- gible gravitational acceleration, what is the magnitude and direction of the particles acceleration at point P? At what point (i.e. coordinates) must we place a third point charge (Q 80 ucoul) such that the resuitant force on the charged particle when placed at point P is zero?

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