Damped oscillations: Flat steel spring with removable weights.

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(B)Waves - B+10: Simple Harmonic Motion

Damped oscillations: Flat steel spring with removable weights. A flat clock spring 40 cm. long is clamped to the lecture table. 100 gm. slotted weights can be clipped to the spring to vary the loading (and the period).
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B+10+30
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B+10+25 Clock spring oscillator: Electrically driven and damped.
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B+10+35 Lissajous figures with laser and two signal generators.