Question 15 of 15 View Policies -/1 Current Attempt in Progress In the rectangle of the figure the sides have lengths 7.46 cm and 18.3 cm, 91 = -5.40 μC, and q2 = +1.88 μC. With V=0 at infinity, what is the electric potential at (a) corner A and (b) corner B? (c) How much work is required to move a charge q3 = + 3.30μC from B to A along a diagonal of the rectangle? (d) Does this work increase or decrease the electric potential energy of the three-charge system? Is more, less, or the same work required if q3 is moved along a path that is (e) inside the rectangle but not on a diagonal and (f) outside the rectangle? (a) i Units (b) i Units (c) i Units (d) (e) (f) <> 92 <>

I Review | Constants | Periodic Table A 2.5 mm -diameter sphere is charged to -4.4 nC. An electron fired directly at the sphere from far away comes to within 0.39 mm of the surface of the target before being reflected. Part A What was the electron's initial speed? Express your answer in meters per second. ? V initial = m/s Submit Request Answer Part B At what distance from the surface of the sphere is the electron's speed half of its initial value? Express your answer in meters. να ΑΣφ ? d = m Submit Request Answer Part C What is the acceleration of the electron at its turning point? Express your answer in meters per second squared. ? m/s? a = Submit Request Answer

In the shown figure, the length of the side of the square is 2a , if q,=Q is placed at point "5", the E at the center of the square is given by 3 4 L. 9. REDMI NOTE 9 PRO O 7ATAB_26 ermine the ot (other

I Review | Consta What are the strength and direction of the electric field at the position indicated by the dot in (Figure 1)? Assume that x-axis is horisontal and points to the right, and y-axis points upward. Part A Give your answer in component form. Express your answer in terms of the unit vectors i and j. Use the 'unit vector' button to denote unit vectors in your answer. Express your answer using two significant figures. > View Available Hint(s) ? E = N/C Submit Part B What is the magnitude of the field? Express your answer in newtons per coulomb using two significant figures. • View Available Hint(s) E = N/C Submit Part C Figure What is the direction of the electric field? Express your answer in degrees using three significant figures. • View Available Hint(s) 2.0 cm 10 nC + -5.0 nC ? measured clockwise 4.0 cm from the positive x-axis Submit 5.0 nC 國 國

I Review | Cor A 3.0 cm x 3.0 cm parallel-plate capacitor has a 3.0 mm spacing. The electric field strength inside the capacitor is 1.3x105 V/m . Part A What is the potential difference across the capacitor? Express your answer using two significant figures. AV = 390 V Submit Previous Answers v Correct Part B How much charge is on each plate? Enter your answers numerically separated by a comma. Express your answer using two significant figures. Η ΑΣφ ? q1 , q2 = |1.0 • 10-º,1.0 • 10 C O You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Request Answer

I Review | Constants Part A A parallel-plate capacitor is formed from two 3.0 cm-diameter electrodes spaced 1.7 mm apart. The electric field strength inside the capacitor is 5.0 × 10® N/C. What is the magnitude of the charge (in nC) on each electrode? Express your answer in nanocoulombs. ν ΑΣΦ ? Q = nC Submit Request Answer

II Review | Constants Two charges, one of 2.50µC and the other of -3.50µC, are placed on the x-axis, one at the origin and the other at x = 0.600 m, as shown in the figure (Figure 1). Part A Find the position on the x-axis where the net force on a small charge +q would be zero. Express your answer in meters. ΑΣΦ ? XF-0 = m Submit Request Answer ( Return to Assignment Provide Feedback Figure 1 of 1 > +2.50 μC -3.50 µC x (m) 0.600 m 國

I Review | Constants Part A (Figure 1) shows two points inside a capacitor. Let V = 0 V at the negative plate. What is the ratio V2/Vị of the electric potentials? ? Figure V2/Vị = Submit Request Answer 1 mm Part B What is the ratio E2/E, of the electric field strengths? ++ + + + + + + ++ + +|

Part A Two stationary positive point charges, charge 1 of magnitude 3.10 nC and charge 2 of magnitude 1.60 nC, are separated by a distance of 46.0 cm An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. What is the speed vfinal of the electron when it is 10.0 cm from charge 1? Express your answer in meters per second. > View Available Hint(s) 1 AZ中 να ΑΣφ Ufinal m/s S. Submit « Previous hp |3D

▼ Part A What is the speed of an electron that has been accelerated from rest through a potential difference of 1040 V ? Express your answer with the appropriate units. μA Value Submit Provide Feedback Units Request Answer :