The figure gives the potential energy U of a magnetic dipole in an external magnetic field B, as a function of angle between the directions of B and the dipole moment. The vertical axis scale is set by Us = 2.2 × 10-4 J. The dipole can be rotated about an axle with negligible friction so as to change . Counterclockwise rotation from @= 0 yields positive values of p, and clockwise rotations yield negative values. The dipole is to be released at angle =0 with a rotational kinetic energy of 6.3 x 10-4 J, so that it rotates counterclockwise. To what maximum value of will it rotate? Number i Units -180° U (10-4J) U₁ -U₂ ° (degrees) 0 180°
The figure gives the potential energy U of a magnetic dipole in an external magnetic field B, as a function of angle between the directions of B and the dipole moment. The vertical axis scale is set by Us = 2.2 × 10-4 J. The dipole can be rotated about an axle with negligible friction so as to change . Counterclockwise rotation from @= 0 yields positive values of p, and clockwise rotations yield negative values. The dipole is to be released at angle =0 with a rotational kinetic energy of 6.3 x 10-4 J, so that it rotates counterclockwise. To what maximum value of will it rotate? Number i Units -180° U (10-4J) U₁ -U₂ ° (degrees) 0 180°
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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Transcribed Image Text:The figure gives the potential energy U of a magnetic dipole in an external magnetic field B, as a function of angle between the
directions of B and the dipole moment. The vertical axis scale is set by Us = 2.2 × 10-4 J. The dipole can be rotated about an axle with
negligible friction so as to change . Counterclockwise rotation from @= 0 yields positive values of Q, and clockwise rotations yield
negative values. The dipole is to be released at angle =0 with a rotational kinetic energy of 6.3 x 10-4 J, so that it rotates
counterclockwise. To what maximum value of 0 will it rotate?
U (10-4 J)
Number
i
Units
-180°
U₂
U₁
° (degrees)
0
180°
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