A small object with a charge of q = 12.0 pC travels from the origin to the point (x, y) = (20.0 cm, 50.0 cm) in the presence of a uniform electric field E = 280î V/m. Determine the following. (a) the change in the electric potential energy (in J) of the object-field system 0.00672 How is the change in electric potential energy of the charge related to the work done on the charge by the conservative force? Write the force acting on the charge and the displacement of the charge in unit vector notation. Since the electric field and, therefore, the electric force on the charge are both constant, how can you determine the work done on the charge? J (b) the electric potential difference (in V) through which the object moves 56

A small object with a charge of q = 12.0 pC travels from the origin to the point (x, y) = (20.0 cm, 50.0 cm) in the presence of a uniform electric field E = 280î V/m. Determine the following. (a) the change in the electric potential energy (in J) of the object-field system 0.00672 How is the change in electric potential energy of the charge related to the work done on the charge by the conservative force? Write the force acting on the charge and the displacement of the charge in unit vector notation. Since the electric field and, therefore, the electric force on the charge are both constant, how can you determine the work done on the charge? J (b) the electric potential difference (in V) through which the object moves 56

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 66PQ

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