Spring #1 Has Spring Constant 61

question 69

Multiple Choice

Spring #1 has spring constant 61.0 N/m.Spring #2 has an unknown spring constant,but when connected in series with Spring #1,the connected springs have an effective spring constant of 20.0 N/m.What is the spring constant for Spring #2?

• A)41.0 N/m
• B)81.0 N/m
• C)15.1 N/m
• D)29.8 N/m
• E)71.0 N/m

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