Dr. Ray is hanging Halloween decorations around her home wit…
Dr. Ray is hanging Halloween decorations around her home with a new type of super-stretchy elastic string with a Young’s modulus of 121 kPa. When she hangs a 20-gram ornament from it, the total length of the string is 10 cm, and when she hangs a 27-gram ornament from it, the total length of the string is 11.5 cm. What is the original length of the string in centimeters?
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