You have now learned two interpretations of electrical interactions 1) a charge in an electric field feels a force of attraction or repulsion; 2) a charge in an electric field possesses a potential energy. Remove an electron from your body or from one of your group-mates. If you were not able to do so, then you are allowed to just imagine an electron (q = -1.602x10-19 C, mẹ = 9.109 x10-31 kg) is placed in the middle of the electrodes. 1. Compute the magnitude and direction of the electric force F=qE exerted on the electron. 2. Does the electron speed up or slow down under the influence of this force? 3. Based on your conclusion, determine whether the change in the kinetic energy is: i) greater than zero (i.e., an increase); i) less than zero; i) equal to zero? 4, Using the definition of electric potential energy, PEelec = qV, compute the change in potential en- ergy as the electron moves between the electrodes. Is APEelec: i) greater than zero (i.e., an in- crease); ii) less than zero; iii) equal to zero?

You have now learned two interpretations of electrical interactions 1) a charge in an electric field feels a force of attraction or repulsion; 2) a charge in an electric field possesses a potential energy. Remove an electron from your body or from one of your group-mates. If you were not able to do so, then you are allowed to just imagine an electron (q = -1.602x10-19 C, mẹ = 9.109 x10-31 kg) is placed in the middle of the electrodes. 1. Compute the magnitude and direction of the electric force F=qE exerted on the electron. 2. Does the electron speed up or slow down under the influence of this force? 3. Based on your conclusion, determine whether the change in the kinetic energy is: i) greater than zero (i.e., an increase); i) less than zero; i) equal to zero? 4, Using the definition of electric potential energy, PEelec = qV, compute the change in potential en- ergy as the electron moves between the electrodes. Is APEelec: i) greater than zero (i.e., an in- crease); ii) less than zero; iii) equal to zero?

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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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

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Physics 111
Activity 5.2
A lab with a lot of Potential Parallel Energy
You have now learned two interpretations of electrical interactions 1) a charge in an electric field
feels a force of attraction or repulsion; 2) a charge in an electric field possesses a potential energy.
Remove an electron from your body or from one of your group-mates. If you were not able to do
so, then you are allowed to just imagine an electron (q = -1.602x10-19 C, mẹ = 9.109 ×10-31 kg) is
placed in the middle of the electrodes.
1. Compute the magnitude and direction of the electric force F=qE exerted on the electron.
2. Does the electron speed up or slow down under the influence of this force?
3. Based on your conclusion, determine whether the change in the kinetic energy is: i) greater than
zero (i.e., an increase); ii) less than zero; ii) equal to zero?
4, Using the definition of electric potential energy, PEelec = qV, compute the change in potential en-
ergy as the electron moves between the electrodes. Is APEelec: i) greater than zero (i.e., an in-
crease); ii) less than zero; iii) equal to zero?

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