A conducting bar moves along frictionless conducting rails connected to a 40 resistor as shown in the figure. The length of the bar is 1.6 m and a uniform magnetic field of 2.2 T is applied perpendicular to the paper pointing outward, as shown. (a) What is the applied force required to move the bar to the right with a constant speed of 6 m/s? (b) At what rate is energy dissipated in the 4 2 resistor? 4.00 1.60 m Ω "applied Magnetic field is outward (•) (a) 37.2 N (b) 224 W (a) 9.3 N (b) 56 W (a) 18.6 N (b) 56 w (a) 18.6 N (b) 112 w www

A conducting bar moves along frictionless conducting rails connected to a 40 resistor as shown in the figure. The length of the bar is 1.6 m and a uniform magnetic field of 2.2 T is applied perpendicular to the paper pointing outward, as shown. (a) What is the applied force required to move the bar to the right with a constant speed of 6 m/s? (b) At what rate is energy dissipated in the 4 2 resistor? 4.00 1.60 m Ω "applied Magnetic field is outward (•) (a) 37.2 N (b) 224 W (a) 9.3 N (b) 56 W (a) 18.6 N (b) 56 w (a) 18.6 N (b) 112 w www

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

A conducting bar moves along frictionless conducting rails connected to a 40 resistor as
shown in the figure. The length of the bar is 1.6 m and a uniform magnetic field of 2.2 T is
applied perpendicular to the paper pointing outward, as shown.
(a) What is the applied force required to move the bar to the right with a constant speed of 6
m/s?
(b) At what rate is energy dissipated in the 4 2 resistor?
4.00
1.60 m
Ω
"applied
Magnetic field is outward (•)
(a) 37.2 N (b) 224 W
(a) 9.3 N (b) 56 W
(a) 18.6 N (b) 56 Ww
(a) 18.6 N (b) 112 w
(a) 9.3 N (b) 112 w
www

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