Lecture 5 Notes

Lecture 5 Notes - Recap of last lecture Chapter 13,...

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Recap of last lecture Chapter 13, Periodic motion 2 d 2 2 2 d max ω b ) (k F A + - = The amplitude has a maximum at ϖ d = √(k/m) this is called a resonance. Forced (driven) oscillator With: solution ) cos( ) 2 / ( φ ϖ + = - t Ae x t m b 2 2 4 m b m k - = For damped spring with a damping force of F x = -bv x we have dt dx m b x m k dt x d 2 2 - - =
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Chapter 15 Waves Mechanical waves (waves that need a medium)
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Types of mechanical waves When particles move perpendicular to the direction of propagation of the wave are called transverse waves When particles move parallel to the direction of propagation of the wave is called longitudinal waves
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Types of mechanical waves 1. The disturbance propagates through the medium at a fixed speed which is based on the properties of the medium 2. The particles themselves are not transported, they just oscillate about their equilibrium position 3. Energy must be supplied to the medium to set the system into motion the wave motion is transfer of this energy it does not involve transfer of matter.
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This note was uploaded on 01/27/2012 for the course PH 2233 taught by Professor Dipinkardutta during the Spring '11 term at Mississippi State.

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Lecture 5 Notes - Recap of last lecture Chapter 13,...

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