2010 PHYSICS 002C Lecture 03

# 2010 PHYSICS 002C Lecture 03 - PHYSICS 002C Lecture 03...

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PHYSICS 002C Lecture 03 April 02, 2010 Serway and Jewett Chapter 12 – Oscillatory Motion Reviev: Chap 12.1,2 Motion of a particle on a spring: Hooke’s law : kx F s Combine Hooke’s law and Newton’s 2 nd law to get , where x dt x d 2 2 2 / m k / 2 Solution: ) cos( t A x harmonic ” = sinusoidal motion, a consequence of Hooke’s law. simple ” = only one mode is excited. Chap 12.3 Energy of simple harmonic motion 2 2 1 mv K ; 2 2 1 kx U ; 2 2 1 kA U K E ; ) ( 2 2 2 1 2 2 1 x A k mv WHY is energy conserved? Because F=ma or the converse. Chap 12.4 Simple pendulum – Angular frequency for small amplitudes is , analogous to m k / . l g / Damped oscillations of a proton magnetic resonance signal. The restoring force is provided by gravity or the spring; resisting the motion is the length of the pendulum or the mass. The frequency to that tendency. New: Chap 12.6

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## This note was uploaded on 09/23/2010 for the course PH 02c taught by Professor Mile during the Spring '04 term at Riverside Community College.

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2010 PHYSICS 002C Lecture 03 - PHYSICS 002C Lecture 03...

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