ch32-p065 - 65. The interacting potential energy between...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
µ ω == × × ml B e 22 2 2 2 6 2 12 0 050 4 0 10 45 12 16 10 84 10 .. kg m rad s T JT b g ch b g c h 65. The interacting potential energy between the magnetic dipole of the compass and the Earth’s magnetic field is UB B ee =− ⋅ =− G G µµ θ cos , where is the angle between G and G B e . For small angle θ B B e θµ κθ bg ≈− F H G I K J cos 1 2 1 2 2 2 where κ = B e . Conservation of energy for the compass then gives 2 2 11 const. d I dt ⎛⎞
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

Ask a homework question - tutors are online