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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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Part A and B

A thin, 55.0 cm long metal bar with mass 730g rests on, but is not attached to, two metallic supports in a uniform magnetic field with a magnitude of 0.410 T, as shown in (Figure 1). A battery and a resistor of resistance 29.0 Ω are connected in series to the supports.

Part A
What is the largest voltage the battery can have without breaking the circuit at the supports?

Part B
The battery voltage has the maximum value calculated in part (a). If the resistor suddenly gets partially short-circuited, decreasing its resistance to 2.40 Ω, find the initial acceleration of the bar.

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