A steel string (diameter 1.0 mm) of length 2.5 m hangs vertically. At the bottom of the
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A steel string (diameter 1.0 mm) of length 2.5 m hangs vertically. At the bottom of the string is a seat. When a child of mass m sits on the seat, she finds that the string stretches so that its new length is 1.8 mm longer than before. What is the mass of the child? Ignore the mass of the seat.
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The amount the steel string stretches is proportional to its ...View the full answer
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Related Book For 
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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