2.00 cm 4. (a) Calculate the speed of a proton that is accelerated from rest through a potential difference of 120 V. (b) Calculate the speed of an electron that is accelerated through the same potential difference. (Answer 6.49*10 m/s) 1.52*105 m/s, %3D

2.00 cm 4. (a) Calculate the speed of a proton that is accelerated from rest through a potential difference of 120 V. (b) Calculate the speed of an electron that is accelerated through the same potential difference. (Answer 6.4910 m/s) 1.52105 m/s, %3D

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 14OQ: Four particles are positioned on the rim of a circle. The charges on the particles are +0.500 C,...

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Question

3.
The three charges in the figure are at the vertices of an
isosceles triangle. Calculate the electric potential at the
midpoint of the base, taking q =7.00 µC.
4.00cm
(Answer = -11 MV)
2.00 cm
4. (a) Calculate the speed of a proton that is accelerated from rest through a
potential difference of 120 V. (b) Calculate the speed of an electron that is
accelerated through the same potential difference. (Answer = 1.52*105 m/s,
6.49*106 m/s)
5. Over a certain region of space, the electric potential is V = 5x-3x²y+ 2yz?. Find
the expressions for the x, y, and z components of the electric field over this
region. What is the magnitude of the field at the point P that has coordinates

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