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1. An electrostatic force of 20N is exerted on a charge of 8.0 x 10 3 C at point P in an electric field. What is the magnitude of the electric filed intensity at point P?

1. An electrostatic force of 20N is exerted on a charge of 8.0 x 10 3 C at point P in an electric field. What is the magnitude of the electric filed intensity at point P?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. An electrostatic force of 20N is exerted on a charge of 8.0 x 10 3 C at point P in an electric field. What is the magnitude of the electric filed intensity at point P? 2. Suppose you have a 12.0 V motorcycle battery that can move 5000 C of charge, and a 12.0 V car battery that can move 60,000 C of charge. How much energy does each deliver? (Assume that the numerical value of each charge is accurate to three significant figures. 3. An electron is released from rest at a distance of 0.300 m from a large insulating sheet of charge that has uniform surface charge density +2.90 x 1012 C/m² . (a) How much work is done on the electron by the electric field of the sheet as the electron moves from its initial position to a point 0.050 m from the sheet? (b) What is the speed of the electron when it is 0.050 m from the sheet? 4. Suppose an electron in the picture tube of a television set is accelerated from rest through a potential difference Vb – Va = +5000 V (a) What is the change in electric field potential energy of the electron? (b) What is the speed of the electron (m= 9.11 x 10-31 kg) as a result of this acceleration. Refer to the diagram below. 5000 v High voltage
Transcribed Image Text:1. An electrostatic force of 20N is exerted on a charge of 8.0 x 10 3 C at point P in an electric field. What is the magnitude of the electric filed intensity at point P? 2. Suppose you have a 12.0 V motorcycle battery that can move 5000 C of charge, and a 12.0 V car battery that can move 60,000 C of charge. How much energy does each deliver? (Assume that the numerical value of each charge is accurate to three significant figures. 3. An electron is released from rest at a distance of 0.300 m from a large insulating sheet of charge that has uniform surface charge density +2.90 x 1012 C/m² . (a) How much work is done on the electron by the electric field of the sheet as the electron moves from its initial position to a point 0.050 m from the sheet? (b) What is the speed of the electron when it is 0.050 m from the sheet? 4. Suppose an electron in the picture tube of a television set is accelerated from rest through a potential difference Vb – Va = +5000 V (a) What is the change in electric field potential energy of the electron? (b) What is the speed of the electron (m= 9.11 x 10-31 kg) as a result of this acceleration. Refer to the diagram below. 5000 v High voltage
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