Charges q1 = +5.8 ×10-6 C, q2 = -2.3 × 10-6 C and q3 = -6.1 × 10-6 C are located on the circumference of a circle, radius r = 7.0 cm, as shown in the figure below. Charge q4 = +8.8 × 10-6 C is 25.0 cm from point E. What is the magnitude of the net electrostatic force on charge q4

In the figure four particles form a square with edge length a = x 10-15 C and q2 = q3 = q. (a) What is q if the net electrostatic force on particle 1 is zero? (b) Is there any value of q that makes the net electrostatic force on each of the four particles zero? 1.78 x 10-2 m. The charges are q1 = q4 = 3.23 a 3 4 a

Three point charges are placed on the x-y plane: a +25.0 nC charge at the origin, a -25.0 nC charge on the x axis at 10.0 cm, and a +110 nC charge at the point (10.0 cm, 8.00 cm). Find the x component of the total electric force on the +110 nC charge due to the other two. (Express your answer to two significant figures.) Find the y component of the total electric force on the +110 nC charge due to the other two. (Express your answer to two significant figures.) Find the x component of the electric field at the location of the +110 nC charge due to the presence of the other two charges? (Express your answer to two significant figures.) Find the y component of the electric field at the location of the +110 nC charge due to the presence of the other two charges? (Express your answer to two significant figures.)

Four identical charged particles (q +10.4 pC) are located on the corners of a rectangle as shown in the figure below. The dimensions of the rectangle are L 54.6 cm and W 14.7 cm L W (a) Calculate the magnitude of the total electric force exerted on the charge at the lower left corner by the other three charges. N (b) Calculate the direction of the total electric force exerted on the charge at the lower left corner by the other three charges. (counterclockwise from the x-axis)

Part A (Figure 1) shows five electric charges. Four charges with the magnitude of the charge 2.0 nC form a square with the size a = 1.0 cm. Positive charge with the magnitude of q = 7.0 nC is placed in the center of the square. What is the magnitude of the force on the 7.0 nC charge in the middle of the figure due to the four other charges? Express your answer with the appropriate units. Figure y -2.0 nC a 2.0 nC + q + -2.0 nC 2.0 nC 1 of 1 μÅ ? Fon q = Value Units Submit Previous Answers Request Answer × Incorrect; Try Again; 4 attempts remaining Part B What is the direction of the force on the 7.0 nC charge in the middle of the figure due to the four other charges? Express your answer in degrees to two significant figures. x 0 = ΕΠΙ ΑΣΦ Submit Request Answer ? °, counterclockwise from the positive x-axis

Three charges are placed at the vertices of an equilateral triangle of side a= 0.85 m, as shown in the figure. Charges 1 and 3 are 8.2 μC charge 2 is -8.2 μC. Find the magnitude of the net force on charge 3 when it is at the origin. Express your answer using two significant figures.