PHY138

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PHY138 Waves, Lecture 2

• Physics is like sex sure, it may give some
  practical results, but thats not why we do it.
• - Richard Feynman, Nobel Laureate

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Reading Assignment

• Next weeks reading is Knight Chapter 20,
  Sections 20.1 20.7. There is a pre-class quiz
  on www.masteringphysics.com for this material due
  on Monday morning.
• A www.masteringphysics.com Problem Set on Chapter
  14 is due on Friday at 500PM.

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PHY138 Waves, Lecture 2Todays overview

• Hookes Law and Oscillation of Springs
• Hanging Springs
• The Pendulum
• Damped Oscillations Shock Absorbers
• Driven Oscillations Resonance

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Mass on Spring versus Pendulum
Mass on a Spring Pendulum
Condition for S.H.M. Small oscillations Small angles
Angular frequency
Period
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