USD 65.03
"A fundamental qualitative understanding of waves is crucial for students before they begin to understand the quantitative mathematics. Apparatus is designed to guide students through understanding standing waves, nodes, tension, and speed. Includes string, oscillating motor, mountable pulley, and instructions; ring stand posts are needed but not supplied, and a video camera and digital balance are recommended. Requires Visual Scientifics Base (item #753150) and Back Board (item #753152) for use."
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worked 23 days ago