Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.83 m, as depicted in the figure. Two of the spiders (S, and S,) have +4.2 µC charge, while the other (S,) has -4.2 µC charge. al2 al2 (a) What are the magnitude and direction of the net force on the third spider (S,)? N • counterclockwise from the +x-axis magnitude direction (b) Suppose the third spider (S,) moves to the origin. Would the net force on the third spider (S,) be greater than, less than, or equal to the magnitude found in part (a)? greater than in part (a) less than in part (a) equal to the part (a) (c) What are the magnitude and direction of the net force on the third spider (S,) when it is resting at the origin? magnitude direction counterclockwise from the +x-axis

Physics for Scientists and Engineers: Foundations and Connections
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Chapter23: Electric Forces
Section: Chapter Questions
Problem 28PQ: A 1.75-nC charged particle located at the origin is separated by a distance of 0.0825 m from a...
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Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.83 m, as
depicted in the figure. Two of the spiders (S, and S,) have +4.2 µC charge, while the other (S,) has -4.2 µC charge.
a/2
a/2
(a) What are the magnitude and direction of the net force on the third spider (S3)?
magnitude
|° counterclockwise from the +x-axis
direction
(b) Suppose the third spider (S,) moves to the origin. Would the net force on the third spider (S2) be greater than, less
than, or equal to the magnitude found in part (a)?
greater than in part (a)
less than in part (a)
equal to the part (a)
(c) What are the magnitude and direction of the net force on the third spider (s,) when it is resting at the origin?
magnitude
direction
° counterclockwise from the +x-axis
Transcribed Image Text:Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.83 m, as depicted in the figure. Two of the spiders (S, and S,) have +4.2 µC charge, while the other (S,) has -4.2 µC charge. a/2 a/2 (a) What are the magnitude and direction of the net force on the third spider (S3)? magnitude |° counterclockwise from the +x-axis direction (b) Suppose the third spider (S,) moves to the origin. Would the net force on the third spider (S2) be greater than, less than, or equal to the magnitude found in part (a)? greater than in part (a) less than in part (a) equal to the part (a) (c) What are the magnitude and direction of the net force on the third spider (s,) when it is resting at the origin? magnitude direction ° counterclockwise from the +x-axis
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