Chapter 25: Q. 5 (page 709)
What is the potential energy of the electron-proton interactions in FIGURE EX25.5? The electrons are fixed and cannot move.

Short Answer
The potential energy of electron proton interaction is
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Chapter 25: Q. 5 (page 709)
What is the potential energy of the electron-proton interactions in FIGURE EX25.5? The electrons are fixed and cannot move.

The potential energy of electron proton interaction is
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Reproduceon your paper. Then draw a dot (or dots) on the figure to show the position (or positions) at which the electric potential is zero.

An arrangement of source charges produces the electric potential V = 5000x2 along the x-axis, where V is in volts and x is in meters. What is the maximum speed of a 1.0 g, 10 nC charged particle that moves in this potential with turning points at 8.0 cm?
In proton-beam therapy, a high-energy beam of protons is fired at a tumor. As the protons stop in the tumor, their kinetic energy breaks apart the tumor’s DNA, thus killing the tumor cells. For one patient, it is desired to deposit of proton energy in the tumor. To create the proton beam, protons are accelerated from rest through a potential difference. What is the total charge of the protons that must be fired at the tumor?
An electron moves along the trajectory of from to.
Does the electric potential energy increase, decrease, or stay the same? Explain.
Is the electron's speed at greater than, less than, or equal to its speed at ? Explain.

What is the electric potential at points A, B, and C in FIGURE EX 25.27?
b. What are the potential differences
ΔVAB = VB - VA and
ΔVCB = VB - VC?

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