3. Suppose you have a fixed charge of -15.0 nC at point X. Points A and B are at distances of 20.0 cm and 40.0 cm from X as shown. -15.0 nC A В Calculate the following: the potential at points A and B а. b. the potential difference between A and B the potential energy of a proton at A and B С.

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter25: Electric Potential
Section: Chapter Questions
Problem 25.12OQ: A particle with charge -40.0 nC is on the x axis at the point with coordinate x = 0. A second...
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3. Suppose you have a fixed charge of -15.0 nC at point X. Points A and B are at distances
of 20.0 cm and 40.0 cm from X as shown.
-15.0 nC
A
В
Calculate the following:
a. the potential at points A and B
b. the potential difference between A and B
the potential energy of a proton at A and B
C.
d. the speed at point B of a proton that was moving to the right at point A with a speed
of 4.0 x 105 m/s
the speed at point A of a proton that was moving to the left at point B with a speed of
1.0 x 10$ m/s
е.
Transcribed Image Text:3. Suppose you have a fixed charge of -15.0 nC at point X. Points A and B are at distances of 20.0 cm and 40.0 cm from X as shown. -15.0 nC A В Calculate the following: a. the potential at points A and B b. the potential difference between A and B the potential energy of a proton at A and B C. d. the speed at point B of a proton that was moving to the right at point A with a speed of 4.0 x 105 m/s the speed at point A of a proton that was moving to the left at point B with a speed of 1.0 x 10$ m/s е.
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