Three identical metal spheres are hung from a ceiling on rigid non-conducting rods. Sphere 1, sphere 2, and sphere 3 have charges 35 pC, -50 pC, and 46 pC, respectively. Each sphere is separated by 11 cm. (a) What is the net electric force on the middle sphere due to spheres 1 and 3? (Enter the magnitude only.) N (b) What is the direction of the net electric force? O up O down O left O right O no direction (zero magnitude) (c) What are the magnitude and direction of an electric field that exerts a 3.15 x 10-5 N upward force on a -2.85 µC charge? magnitude N/C direction ---Select- ---Select- upward downward to the left to the right no direction (zero magnitude)

Three identical metal spheres are hung from a ceiling on rigid non-conducting rods. Sphere 1, sphere 2, and sphere 3 have charges 35 pC, -50 pC, and 46 pC, respectively. Each sphere is separated by 11 cm. (a) What is the net electric force on the middle sphere due to spheres 1 and 3? (Enter the magnitude only.) N (b) What is the direction of the net electric force? O up O down O left O right O no direction (zero magnitude) (c) What are the magnitude and direction of an electric field that exerts a 3.15 x 10-5 N upward force on a -2.85 µC charge? magnitude N/C direction ---Select- ---Select- upward downward to the left to the right no direction (zero magnitude)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Three identical metal spheres are hung from a ceiling on rigid non-conducting rods. Sphere 1, sphere 2, and sphere 3 have charges 35 pC, -50 pC, and 46 pC, respectively. Each sphere is separated by 11 cm.
(a) What is the net electric force on the middle sphere due to spheres 1 and 3? (Enter the magnitude only.)
N
(b) What is the direction of the net electric force?
O up
O down
O left
O right
O no direction (zero magnitude)
(c) What are the magnitude and direction of an electric field that exerts a 3.15 x 10-5 N upward force on a -2.85 µC charge?
magnitude
N/C
direction
---Select-
---Select-
upward
downward
to the left
to the right
no direction (zero magnitude)

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