Spring Toy Lab.docx - Spring Toy Lab Abstract In this...

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10/14/15 Spring Toy Lab Abstract In this spring toy lab, the spring constant was able to be determined by observing the transfer of energy of a toy. First, the mass of the toy was recorded with the various added masses. We then found the displacement of the spring of the toy. Next, the toy was pushed down to its maximum compression and then released. As the spring in the toy decompressed, the toy shot upwards until it reached its greatest height, which was then recorded. The height was recorded in 3 trials for each different mass that was added to the spring toy. Using the recorded information, we created a scatter plot of every data point collected; however, instead of using mass as our independent variable, we used inverse mass. This allowed to us to find a linear regression line with the data. We were then able to set the slope of the regression line equal to [K( Δ x) 2 ]/(2g) because it was already set in the equation in which height is a function of inverse mass (h = {[K( Δ x) 2 ]/(2g)}(1/m)). Lastly, we calculated for the spring constant (K) after plugging in the values of the spring’s displacement ( Δ x) and the acceleration due to gravity (g). In this specific experiment, the spring constant was found to be about 125 N/m. These results seem to be fairly accurate because of the use of a slow-motion video camera to better determine the maximum height of the toy for each trial, and the high amount of trials performed. If this experiment were
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