Three charged particles are located at the corners of an equilateral triangle as shown in the figure below (let q = 3.40 µC, and L = 0.890 m). Calculate the total electric force on the 7.00-uc charge. 0.144 x magnitude if you calculate the magnitude of the force that each charge exerts on the 7.00 µC charge, the net charge can then be found from the vector sum of those forces. N direction 352 9 * (counterclockwise from the +x axis) 7.00 µC 60.0 -4.00 μC

Three charged particles are at the corners of an equilateral triangle as shown in the figure below. (Let q = 2.00 μC, and L = 0.550 m.) q: 7.00 με y 60.0° L 9 - x -4.00 μC (a) Calculate the electric field at the position of charge q due to the 7.00-μC and -4.00-μC charges. Once you calculate the magnitude of the field contribution from each charge you need to add these as vectors. KN/C 1 + Does the -4.00-μC charge contribute to the y component of the field at the origin? KN/C ĵ (b) Use your answer to part (a) to determine the force on charge q. If you know the electric field at a particular point, how do you find the force that acts on a charge at that point? mN I + Check units carefully. Note that the field in part (a) is given in kN/J and the force in this part is given in mN. mNĵ x

Given the two charged particles shown in the figure below, find the electric field at the origin. (Let 9₁ = −30.00 nC and 92 8.00 nC. Express your answer in vector form.) = = N/C -4 -2 y (cm) 4 HP 22 2 4 91 A x (cm)

In the figure, the point charges are located at the corners of an equilateral triangle 24 cm on a side. (a)  Find the magnitude of the electric field in N/C at the location of qa, given that qb = 11.6 μC and qc = –5.7 μC . (b)  Find the direction of the electric field at qa in degrees above the negative x-axis with origin at qa. (c)  What is the magnitude of the force in N on qa, given that qa = 1.9 nC? (d)  What is the direction of the force on qa in degrees above the negative x-axis with origin at qa?

Three charged particles are at the corners of an equilateral triangle as shown in the figure below. (Let q = 2.00 μC, and L = 0.850 m.) 7.00 με y 60.0⁰ 9 L -4.00 μC @ (a) Calculate the electric field at the position of charge q due to the 7.00-μC and -4.00-μC charges. kN/CÎ + KN/C j (b) Use your answer to part (a) to determine the force on charge q. mNÎ + mNj

Three charged particles are located at the corners of an equilateral triangle as shown in the figure below (let q = 1.00 µC, and L = 0.910 m). Calculate the total electric force on the 7.00-µC charge. A) magnitude N? B) direction ° (counterclockwise from the +x axis) ?

Two charges are located on an x-axis (as shown in the figure). One charge is located at the origin (q, = 0.40 µC). The other charge (92= -0.20 μC) is located at x-a, where a = 2.0 m. Calculate the x- and y-components of the electric field at a point P on the y-axis located at y= 2.0 m. From these components calculate the electric field magnitude and its angle with respect to the +x-axis (with angles increasing going counter-clockwise from +x, such that 90° corresponds to the y-axis). Ex = Ey = II Angle = N/C N/C N/C degrees P 91 a 92 X

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Problem 2. Three point charges are placed on the xy plane: (A) +50.0-nC charge at the origin, (B) -60.0-nC charge on the x axis at x = 1 0.0 cm, and (C) + 150-nC charge at the point (10.0 cm, 8.00 cm). Find the total electric force on the charge C and the electric field at the location of the charge C due to the presence of the +50.0- and -60.0-nC charges?

Three charged particles are at the corners of an equilateral triangle as shown in the figure below. (Let q = 4.00 µC, and L = 0.600 m.) (a) Calculate the electric field at the position of charge q due to the 7.00-µC and −4.00-µC charges. (b) Use your answer to part (a) to determine the force on charge q.