

7. Three point - charges are placed at the corners of a cube with side a,...
3. Three point charges q,2q, and -3q are placed at the corners of an equilateral triangle of side length L as shown in the figure below: a) What is the total force on the charge q at the top of the triangle? b) What is the electric field at the center of the triangle?
3. Three point charges q,2q, and -3q are placed at the corners of an equilateral triangle of side length L as shown in the figure below: a) What is the total force on the charge q at the top of the triangle? b) What is the electric field at the center of the triangle?
7. Three point-like charges are placed at the
corners of a rectangle as shown in the figure, a = 30.0 cm and b =
66.0 cm. Find the minimum amount of work required by an external
force to move the charge q to infinity. Let q = −2.30 µC, q = −3.20
µC, q = +5.10 µC.
in J
8. Four point-like charges are placed as shown
in the figure, three of them are at the corners and one at...
Three balls, with charges of +a, -2q, and +3q, are placed at the corners of a square measuring L on each side, as shown in the figure. The value of q is 3.20 x 10-6 C, and L = 40.0 cm. Assume this set of three balls is not interacting with anything else in the universe, and assume that gravitational interactions are negligible -2q t9 L. +3q (a) What is the magnitude of the net electrostatic force on the ball...
Three balls, with charges of +a, -2q, and +3q, are placed at the corners of a square measuring L on each side, as shown in the figure. The value of q is 3.20 x 10-6 C, and L = 40.0 cm. Assume this set of three balls is not interacting with anything else in the universe, and assume that gravitational interactions are negligible -2q t9 L. +3q (a) What is the magnitude of the net electrostatic force on the ball...
Three balls, with charges of +q, -2q, and +3q, are placed at the corners of a square measuring L on each side, as shown in the figure. The value of q is 3.10 x 10-6 C, and L-70.0 cm. Assume this set of three balls is not interacting with anything else in the universe, and assume that gravitational interactions are negligible. -2q 9 +3q (a) What is the magnitude of the net electrostatic force on the ball of charge -2q?...
Three point-like charges are placed at the corners of a square as shown in the figure, 24.0 cm on each side. Find the magnitude of the electric field at the center of the square. Let q11 = q33 = +28.0 µC and q22 = −24.0 µC.
charges of 0.46 are placed at three corners of a square side length 3.4 cm. A charge of -0.64 is placed at the fourth corner. Find the net electric field and the total electric potential at the center of the square.
Three point-like charges are placed at the corners of a square
as shown in the figure, 38.0 cm on each side. Find the magnitude of
the net electrostatic force exerted on the point charge q3. Let q1
= +13.0 µC, q2 = ?42.0 µC, q3 = +42.0 µC.
Three point-like charges are placed at the corners of a square as shown in the figure, 44.0 cm on each side. Find the work done by the electric field force when the charge q11 is moved to infinity. Let q11 = −2.70 µC, q22 = +3.20 µC, q33 = −4.50 µC.