Charge Q is uniformly distributed along a thin, flexible rod of length L. The rod is then bent into the semicircle shown in the figure (Figure 1). Figure L Center -x 1 of 1 Find an expression for the electric field at the center of the semicircle. Hint: A small piece of arc length As spans a small angle A = As /R, where R is the radius. Express your answer in terms of the variables Q, L, unit vectors i, j, and appropriate constants. 17 ΑΣΦ ν A Submit Part B π ρ Σ Φ Submit n 0 σ T φ χ ψ ω Ψ Ω h ε Request Answer E- Value Evaluate the field strength if L=14 cm and Q = 50 nC. Express your answer with the appropriate units. Request Answer Units K2 ? ? H

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Chapter1: Units, Trigonometry. And Vectors
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Charge Q is uniformly distributed along a thin, flexible rod
of length L. The rod is then bent into the semicircle shown
in the figure (Figure 1).
Figure
L
Center
·x
1 of 1
Find an expression for the electric field at the center of the semicircle.
Hint: A small piece of arc length As spans a small angle A = As /R, where R is the
radius.
Express your answer in terms of the variables Q, L, unit vectors i, j, and
appropriate constants.
Ē =
Submit
Part B
17 ΑΣΦ
B Y
α
P
A Σ Φ
Submit
V
R
8 €
E = Value
0 T
Request Answer
11 Ꮎ
ΨΩ ħ
φ χ
Request Answer
Evaluate the field strength if I = 14 cm and Q = 50 nC.
Express your answer with the appropriate units.
w
Units
к
?
2
2.
y (0)
X
?
Review
μ
SWIC
Transcribed Image Text:Charge Q is uniformly distributed along a thin, flexible rod of length L. The rod is then bent into the semicircle shown in the figure (Figure 1). Figure L Center ·x 1 of 1 Find an expression for the electric field at the center of the semicircle. Hint: A small piece of arc length As spans a small angle A = As /R, where R is the radius. Express your answer in terms of the variables Q, L, unit vectors i, j, and appropriate constants. Ē = Submit Part B 17 ΑΣΦ B Y α P A Σ Φ Submit V R 8 € E = Value 0 T Request Answer 11 Ꮎ ΨΩ ħ φ χ Request Answer Evaluate the field strength if I = 14 cm and Q = 50 nC. Express your answer with the appropriate units. w Units к ? 2 2. y (0) X ? Review μ SWIC
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