Homework 7, Problem 6:   A vertical spring has a length of 0.25 m when a 0.225 kg mass hangs from it, and a length of 0.775 m when a 2.1 kg mass hangs from it. Part (a)  What is the force constant of the spring, in newtons per meter?  k = ______ Part (b)  What is the unloaded length of the spring, in centimeters? L0  ______

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
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Homework 7,

Problem 6:   A vertical spring has a length of 0.25 m when a 0.225 kg mass hangs from it, and a length of 0.775 m when a 2.1 kg mass hangs from it.

Part (a)  What is the force constant of the spring, in newtons per meter? 

k = ______

Part (b)  What is the unloaded length of the spring, in centimeters?

L0  ______

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