a toy train uses a magnetic field to propel it down a track. A series of flat, permanent magnets align the length of both rails of the track. In place of wheels, the train rides an axle that lays across the track. A current flows through the axle at all times. In which direction must the poles of the permanent magnets face in order to propel the train down the rails?
a toy train uses a magnetic field to propel it down a track. A series of flat, permanent magnets align the length of both rails of the track. In place of wheels, the train rides an axle that lays across the track. A current flows through the axle at all times. In which direction must the poles of the permanent magnets face in order to propel the train down the rails?
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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a toy train uses a magnetic field to propel it down a track. A series of flat, permanent magnets align the length of both rails of the track. In place of wheels, the train rides an axle that lays across the track. A current flows through the axle at all times. In which direction must the poles of the permanent magnets face in order to propel the train down the rails?
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