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Chapter 20Lectures 1–4

Oscillations Revisited

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20.1

SHO & Phasors

Phasor + real oscillation

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20.2

Beats

Two tuning forks — hear beats

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20.3

Damped Oscillations

Adjust damping — see 3 regimes

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20.4

Driven Resonance

Drive spring-mass, sweep freq

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20.5

Power at Resonance

Energy peak — wine glass physics

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20.6

Transient Phenomena

Turn driver on/off, see ring up/down

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