Vtot =0 O Symmetric Cross = 200 C, and the vertical rod has a charge of -Q = -200 C. The charges on both Two rods of equal length L = : 1.69 m form a symmetric cross. The horizontal rod has a charge of Q rods are distributed uniformly along their length. Calculate the potential at the point P at a distance D = 2.28 m from one end of the horizontal rod. Special note: You're going to have to take the difference between the potentials made by the positive and negative rods, which are similar numbers. That means that to get an accurate answer you need to keep more digits than usual while you're doing your calculation. + + + + + + + + + + + + L P ·D -

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Two point charges, A & B (qR = 123 µC), are separated by 86 cm. The distance between A & P is 20 cm. The potential at point P (see below) is zero. Determine qa. A 9A = 20 сm 86 cm WebAssign Plot

As shown below, three point charges (the charge for each is shown in terms of Q) are each a distance L away from point P. Determine the potential at point P. Express your answer in terms of k, Q, & L. Φ =

m7df7 > $ 4 R F An isolated charged soap bubble of radius Ro= 5.25 cm has a potential of Vo = 231.0 V at its surface. If the bubble shrinks to a radius that is 27.0% of the initial radius, by how much AU does its electrostatic potential energy change? ▬▬ V Assume that the charge on the bubble is spread evenly over the surface, and that the total charge on the bubble remains constant. Use k = 8.99 x 10° N-m²/C² for the Coulomb force constant. Q Search % 5 FS T G O D A 6 B Y H & 7 N U 8 M 9 K DE O (DOLL prt sc AU = home B B 0 P ? end num lock 7 Po 4 1 CE 11:00 PM 2/18/20244 8 J 5 +/- O 2 9 PRE 3

Two identical charges q = (1/9.0) x 10-9 C are shown in the figure below. Find the potential at P. (Take r = 2.28 m and 0 = 41°.)