I Review A 13.0 nC charge is at z = 0cm and a -1.4 nC charge is at a = 3.0 cm . Part A At what point or points on the r-axis is the electric potential zero? Express your answer in centimeters. If there is more than one answer, give each answer separated by a comma. Nνα ΑΣφ ? cm

Item 15 A parallel-plate capacitor is charged to an electric potential of 340 V by moving 3.45×10¹6 electrons from one plate to the other. Part A How much work is done in charging the capacitor? W = Submit —| ΑΣΦ Request Answer ? J

At a certain distance from a point charge, the Part A potential and electric-field magnitude due to that charge are 4.98 V and 16.2 V/m, respectively. (Take V = 0 at infinity.) What is the distance to the point charge? Express your answer with the appropriate units. ? d = Value Units Part B What is the magnitude of the charge? Express your answer with the appropriate units. μΑ ? = b Value Units

Particles A, B, C, and D in (Figure 1) each carry a charge of magnitude 1.0 nC. Express your answer with the appropriate units. U = 0 J Submit Previous Answers Part C Correct Calculate the electric potential energy for the charge distribution in this 3.0-m square if B and C are positive and A and D are negative. Express your answer with the appropriate units. ΜΑ ? U = Value Units Submit Request Answer <1 of 1 Part D Calculate the electric potential energy for the charge distribution in this 3.0-m square if A and C are positive and B and D are negative. Express your answer with the appropriate units. Figure A+ +B HA ? U = Value Units

The electric potential in a region of space is V = 300V-m, where and y are in meters. √z²+y² Part A What is the strength of the electric field at (x, y) = (2.9m, 1.3m)? Express your answer in volts per meter. E= Submit Part B 0= V=| ΑΣΦΑ Submit 4 Request Answer IVE ΑΣΦ What is the direction of the electric field at (x, y) = (2.9m, 1.3m)? Give the direction as an angle ccw from the positive x-axis. Express your answer in degrees. ? Request Answer V/m ? ºccw from the positive z-axis

Part A What is the electric potential at this point? At one point in space, the electric potential energy of a 15 nC charge is 51 µJ. Express your answer with the appropriate units. НА V = Value Units 9 This unit is not recognized. See the list of acceptable units. No credit lost. Try again. Submit Previous Ansswers Request Answer Part B If a 25 nC charge were placed at this point, what would its electric potential energy b Express your answer with the appropriate units. U = Value Units Submit Request Answer

can u help with part c asap plz

A 15.0 nC charge is at x = 0cm and a -1.2 nC charge is at x = 7 cm . Part A At what point or points on the x-axis is the electric potential zero? Express your answer using two significant figures. If there is more than one answer, give each answer separated by a comma. Xo = cm Submit Request Answer

Figure 9 3.0 cm 14.0 cm 2.0 nC 2.0 nC 1 of 1 > Part A What is the electric potential at the point indicated with the dot in (Figure 1)? Suppose that q = -1.4 nC. Express your answer with the appropriate units. V = Submit HÅ Value Provide Feedback Request Answer Units ?

A small particle has charge -4.60 µC and mass 1.70x10-4 kg. It moves from point A, where the electric potential is VA = 300 V, to point B, where the electric potential VB = 820 V is greater than the potential at point A. The electric force is the only force acting on the particle. The particle has a speed of 6.00 m/s at point A. Part A What is its speed at point B? Express your answer in meters per second. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Electric force and electric potential. m/s Part B Is it moving faster or slower at B than at A? Faster Slower 圓