2. Two charge plates in vacuum are 15 cm apart. The electric field between the plates is uniform and has a strength of E = 3000 N/C. An %3D electron (q = - e, m = 9.1x10-31kg) is released from rest at point P just outside the negative plate. a. How long will it take to reach the other plate? b. How fast will it be going just before it hits? E = 3000 N/C + |A P + 15 cm

2. Two charge plates in vacuum are 15 cm apart. The electric field between the plates is uniform and has a strength of E = 3000 N/C. An %3D electron (q = - e, m = 9.1x10-31kg) is released from rest at point P just outside the negative plate. a. How long will it take to reach the other plate? b. How fast will it be going just before it hits? E = 3000 N/C + |A P + 15 cm

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter22: Electric Fields

Section: Chapter Questions

Problem 31AP: A small block of mass m and charge Q is placed on an insulated, frictionless, inclined plane of...

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(a) What is the electric field 5.00 m from die center of the terminal of a Van de Graaff with a 3.00-mC charge, noting that the field is equivalent to that of a point charge at the center of the terminal? (b) At this distance, what force does the field exert on a 2.00C charge on the Van de Graaff’s belt?
(a) Find the electric field at x = 5.00 cm in Figure 18.52 (a), given that q = 1.00 C. (b) at what position between 3.00 and 8.00 cm is the total electric field the same as that for ? 2q alone? (c) Can the electric field be zero anywhere between 0.00 and 8.00 cm? (d) At very large positive or negative values of x, the electric field approaches zero in both (a) and (b). In which does it most rapidly approach zero and why? (e) At what position to the light of 11.0 cm is the total electric field zero, other than at infinity? (Hint: A graphing calculator can yield considerable insight in this problem.)
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ne electric field at 2 cm from the center of long copper rod of radius 1 cm has a magnitude 3 N/C and directed outward from the axis of the rod. (a) How much charge per unit length exists on the rod? (b) What would be the electric flux through a cube of side 5 cm situated such that the rod passes through opposite sides of the cube perpendicularly?
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