wwwwwww Eight point charges equal to q=8 nC are located at each of the vertices of a regular cube with sides l=20 cm. (k=9•10⁹ N•m² /c²) I) Find the electric potential at the center of the cube. a) 3,13 V b) 3,23 V c) 3,33 V d) 3,43 V e) 3,53 V

1 - A charge q, = 2x10-6 C is located at the origin, and a charge q2 = -6x106 C is located at (0, 3) m, as shown in Figure. What is the total electric potential due to these charges at the point P, whose coordinates are (4, 0) m? -6.00 µC. 3.00 m 2.00 µC 4.00 m a) O 6.29 x 10³ v b) O -6.29 x 10³ V c) O 6.89 x 10³ V d) O -6.89 x 103 v e) O 6x 103 v

6. Four point-like charges are placed as shown in the figure, a = 20.0 cm and b = 56.0 cm. Find the electric potential energy of the entire system of charges. Let q₁ = -3.20 µC, q2 = +3.80 μC, 93 = -3.70 µC, and 94 = +7.90 µC. J On 940 b 93 92 COM

The physics problem is described in the picture

Three electric charges -5 nC and 10 nC and +5 nC and are separated with a distance of 40.0 cm from eachother and are aligned on the x-axis. Find the total electric potential differences at point p at 40 cm from the last charge on the x-axis.

A sphere of radius R=60 cm has its center at the origin. Along the equator of this sphere, equal charges of q=3 µC are placed at intervals of 60°. Find the electric potential at the north pole of the sphere. a) 190 kV b) 191 kV c) 192 kV d) 193 kV e) 194 kV

Two point charges Q₁ = - -2.92 μC and Q2 = 2.52 µC are shown in the figure. Q₁ is located at (-2.1 cm, 0.0 cm) while Q2 is at (0.0 cm, — 2.6cm)). Use k = 9.0 × 10⁹ Nm²/C² (A) Find the electric potential at the origin. V = (B) If a -2.81 nC charge with a mass of 12.3 g is released from rest at the origin, how fast will it be moving when it is very far away from the charges? V = (C) If a proton is released from rest very far away from the charges shown above, how fast would it be moving at the origin? V =