Problem 17: In building a cabin, builders use nails from a large bin. The bin is suspended from a vertical spring twice during the day to measure the usage of nails. At the beginning of the day, the spring stretches 48 cm. At the end of the day, the spring stretches 34.8 cm. @theexpertta.com - tracking id: 9N69-4E-C3-45-84AD-30560. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. What fraction of the nails have been used? Numeric : A numeric value is expected and not an expression. Fraction of nails used =