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Waves on a Helical Spring
Students investigate properties of mechanical waves using a helical spring: wavelength, speed, reflection, standing waves, interference. Neither amplitude nor frequency affects wave speed. As wave frequency goes up, wavelength goes down, and vice versa. Wave pulses can interfere constructively (adding together when on the same side of the spring) or destructively.
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Required Equipment Helical Spring, Stopwatch, String
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Recommended quantity per lab group: 1
Recommended quantity per 6 lab groups: 1
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