{"type":"rich","version":"1.0","title":"Power Regression of the Net Spring Constant (K) by the Number of Rubber Bands in the System","html":"<iframe src=\"https://www.desmos.com/calculator/qq0im9zquo?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}