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39. Within the green dashed circle shown in Figure P31.39, the magnetic field changes with time according to the expression B = 2.00t³ – 4.00t² + 0.800, where B is in teslas, t is in seconds, and R = 2.50 cm. When t 2.00 s, calculate (a) the magnitude and (b) the direc- - |3D

39. Within the green dashed circle shown in Figure P31.39, the magnetic field changes with time according to the expression B = 2.00t³ – 4.00t² + 0.800, where B is in teslas, t is in seconds, and R = 2.50 cm. When t 2.00 s, calculate (a) the magnitude and (b) the direc- - |3D

College Physics
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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39. Within the green dashed circle shown in Figure P31.39, the magnetic field changes with time according to the expression B = 2.00t³ – 4.00t² + 0.800, where B is in teslas, t 2.00 s, calculate (a) the magnitude and (b) the direc- - is in seconds, and R = 2.50 cm. When t =
Transcribed Image Text:39. Within the green dashed circle shown in Figure P31.39, the magnetic field changes with time according to the expression B = 2.00t³ – 4.00t² + 0.800, where B is in teslas, t 2.00 s, calculate (a) the magnitude and (b) the direc- - is in seconds, and R = 2.50 cm. When t =
point P, which is at a distance r = 5.00 cm from the center of the circular field region. (c) At what instant is this force equal to zero? tion of the force exerted on an electron located at P2 P1 1 X Bin Figure P31.39 Problems 39 and 40.
Transcribed Image Text:point P, which is at a distance r = 5.00 cm from the center of the circular field region. (c) At what instant is this force equal to zero? tion of the force exerted on an electron located at P2 P1 1 X Bin Figure P31.39 Problems 39 and 40.
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