Let q 1 = 2 μC, q2 = -4 μC, q3 = = +3 μC, q4 = -5 μC, q5 = +9 μC. a. What is the net force on q 5 ? b. What is the electric field at the location of q 5 due to the other 4 charges? c. What would be the force on q 5 if you changed it to 7 μC?

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Chapter5: Electric Charges And Fields
Section: Chapter Questions
Problem 67P: Consider an electron that is 1010 m from an alpha particle (q=3.21019C) . (a) What is the electric...
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Let q 1 = 2 μC, q2 = -4 μC, q3 = = +3 μC, q4 = -5 μC, q5 = +9 μC.
a. What is the net force on q 5 ?
b. What is the electric field at the location of q 5 due to the other 4 charges?
c. What would be the force on q 5 if you changed it to 7 μC?

6.00 cm
94
q1
93
9. Find the electric field at point A.
Q₁
-20 με
+
=
7. What would the direction of the net force on q3 be if q1 = 92 93 94 = qs? (Draw
the forces acting on 93.)
2 nC
8. Let q₁=2 µC, q2 = -4 µC, q3 = =+3 µC, 94 = -5 µC, qs= +9 uc.
a. What is the net force on qs?
b. What is the electric field at the location of qs due to the other 4 charges?
c. What would be the force on qs if you changed it to 7 µC?
10: Band the electric field at point P.
a.
8.00 cm
4 m
P
O
10 cm
3 m
O
Then find the force on a charge of -4 nC placed at point P.
-3 nC
92
O
Q₂
+20 μC
O
6 m
95
5 cm
-8 nC
A
Transcribed Image Text:6.00 cm 94 q1 93 9. Find the electric field at point A. Q₁ -20 με + = 7. What would the direction of the net force on q3 be if q1 = 92 93 94 = qs? (Draw the forces acting on 93.) 2 nC 8. Let q₁=2 µC, q2 = -4 µC, q3 = =+3 µC, 94 = -5 µC, qs= +9 uc. a. What is the net force on qs? b. What is the electric field at the location of qs due to the other 4 charges? c. What would be the force on qs if you changed it to 7 µC? 10: Band the electric field at point P. a. 8.00 cm 4 m P O 10 cm 3 m O Then find the force on a charge of -4 nC placed at point P. -3 nC 92 O Q₂ +20 μC O 6 m 95 5 cm -8 nC A
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