Homework Answers
There are three forces: gravity down, the attraction to the
negative charge horizontal to the right and the E field horizontal
to the left.
We know that the sum of the horizontal forces Fx divided by the
vertical force (mass*g) = tan29
We know the distance between the spheres = 2*0.53sin29 =
0.513m
[82e-9*E - k*(82e-9)²/0.513²]/7.8e-6*9.8 = tan29
[82e-9*E - k*(82e-9)²/0.513²] = 7.8e-6*9.8* tan29
[82e-9*E = k*(82e-9)²/0.513²] + 7.8e-6*9.8* tan29
E = [k*(82e-9)²/0.513²] + 7.8e-6*9.8* tan29]/82e-9 = 3.321*10^-15
N/C <-
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Two tiny spheres of mass 7.80 mg carry charges of equal magnitude, 82.0 nC , but opposite sign. They are tied to the same ceiling hook by light strings of length 0.530 m.When a horizontal uniform electric field E that is directed to the left is turned on, the spheres hang at rest with the angle θ between the strings equal to 58.0∘ What is the magnitude E of the field?
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Two tiny spheres of mass 7.30 mg carry charges of equal magnitude, 77.0 nC, but opposite sign. They are tied to the same ceiling hook by light strings of length 0.530 m . When a horizontal uniform electric field E that is directed to the left is turned on, the spheres hang at rest with the angle θ between the strings equal to 58.0 What is the magnitude E of the Field?
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Two tiny spheres of mass 5.80 mg carry charges of equal magnitude, 67.0 nC, but opposite sign. They are tied to the same ceiling hook by light strings of length 0.530 m. When a horizontal uniform electric field E that is directed to the left is turned on, the spheres hang at rest with the angle 6 between the strings equal to 58.0° (Figure 1) We were unable to transcribe this imageWhat is the magnitude E of the field?
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Two tiny spheres of mass 5.30 mg carry charges of equal magnitude, 82.0 nC, but opposite...
Two tiny spheres of mass 5.30 mg carry charges of equal magnitude, 82.0 nC, but opposite sign. They are tied to the same ceiling hook by light strings of length 0.530 m When a horizontal uniform electric field E that is directed to the left is turned on, the spheres hang at rest with the angle 0 between the strings equal to 58.0° (Figure 1) Which ball (the one on the right or the one on the left) has positive...
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the spheres hang at rest with the angle θ between the strings equal
to 50.0∘in the following figure. (Figure 1)
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Two tiny spheres of mass 5.80 mg carry charges of equal magnitude, 67.0 nC, but opposite sign. They are tied to the same ceiling hook by light strings of length 0.530 m. When a horizontal uniform electric field E that is directed to the left is turned on, the spheres hang at rest with the angle 6 between the strings equal to 58.0° (Figure 1) We were unable to transcribe this imageWhat is the magnitude E of the field?
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