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Science

Physics

4.0 cm

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter1: Units And Measurement

Section: Chapter Questions

Problem 77P: What is the area of a circle 3.102 cm in diameter?

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In the accompanying figure, the rails, connecting end piece, and rod all have a resistance per unit length of 2.0 Ω/cm. The rod moves to the left at v = 3.0 m/s. If B = 0.75 T everywhere in the region, what is the current in the circuit (a) when a = 8.0 cm? (b) when a = 5.0 cm? Specify also the sense of the current flow.

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