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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Definitions:

Test Statistic

A quantity derived from sample data that is used in a hypothesis test to make a decision about the null hypothesis.

Chi-Squared Table

A table that shows the critical values of the chi-square distribution, used to determine the significance of chi-square statistics.

Null Hypothesis

The assumption in hypothesis testing that posits no significant difference exists between specified populations.

Contingency Table

A table often used in statistics to display the frequency distribution of variables.