A constant electric field accelerates a proton from rest through a distance of 1.20 m to a speed of 1.53 ✕ 105 m/s. The mass and charge of a proton are  mp = 1.67 ✕ 10−27 kg and qp = e = 1.60 ✕ 10−19 C.)   (a) Find the change in the proton's kinetic energy (in J).  J  (b)Find the change in the system's electric potential energy (in J).  J (c) Calculate the magnitude of the electric field (in N/C).  N/C

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter26: Electric Potential
Section: Chapter Questions
Problem 76PQ: An electric potential exists in a region of space such that V = 8x4 2y2 + 9z3 and V is in units of...
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A constant electric field accelerates a proton from rest through a distance of 1.20 m to a speed of 1.53 ✕ 105 m/s. The mass and charge of a proton are  mp = 1.67 ✕ 10−27 kg and qp = e = 1.60 ✕ 10−19 C.)
 
(a) Find the change in the proton's kinetic energy (in J).
 J
 (b)Find the change in the system's electric potential energy (in J).
 J
(c) Calculate the magnitude of the electric field (in N/C).
 N/C
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