Need help with question 9 please tionWCLN.cPHYSICS 129. What is the clectric potential at P due to charges Qr and Q2?1.0 m0.50 mQ- 1.0 μCQ2 = 4.0 µC(ans: 5.4 x 210. How much kinetic energy will an electron gain (in joules) if it falls through a potential differenof 275 V?AKE VE4.40 x10-(ans: 4.4 x 10"11. An electron in the picture tube of an old television set is accelerated from rest through a potentiadifference Va+5000V.a. What is the change in potential energy of the electron? (ans: -8.0 x 1016 J)ADE:27=1-6x 1O19x50008-0 x 1016Jb. What is the speed of the electron as a result of this acceleration? (ans: 4.2x 10 m/s)ne ve8x 10-16ver2*S*10-14ve 4.2X10'mis

SOlution: gievn that Q1 = 1 micro C Q2 = 4 micro C r1 = 0.5 m r2 = 1 m

Answered: 9. What is the clectric potential at P…

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9. What is the clectric potential at P due to charges Q, and Qz? 1.0 m 0.50 m Q- 1.0 μC QQ-4.0 μC %3D

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Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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Question

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Need help with question 9 please

tion
WCLN.c
PHYSICS 12
9. What is the clectric potential at P due to charges Qr and Q2?
1.0 m
0.50 m
Q- 1.0 μC
Q2 = 4.0 µC
(ans: 5.4 x 2
10. How much kinetic energy will an electron gain (in joules) if it falls through a potential differen
of 275 V?
AKE VE
4.40 x10-
(ans: 4.4 x 10"
11. An electron in the picture tube of an old television set is accelerated from rest through a potentia
difference Va+5000V.
a. What is the change in potential energy of the electron? (ans: -8.0 x 1016 J)
ADE:
27
=1-6x 1O
19
x5000
8-0 x 1016J
b. What is the speed of the electron as a result of this acceleration? (ans: 4.2x 10 m/s)
ne ve
8x 10-16
ver
2*S*10-14
ve 4.2X10'
mis

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