Three Separate Strings Are Made of the Same Material

question 81

Multiple Choice

Three separate strings are made of the same material.String 1 has length L and tension , string 2 has length 2L and tension 2 11ef007d_c3e4_5de8_bc85_0d43416ecdc2_TB6585_11 and string 3 has length 3L and tension 3 11ef007d_c3e4_5de8_bc85_0d43416ecdc2_TB6585_11 .A pulse is started at one end of each string.If the pulses start at the same time, the order in which they reach the other end is:

• A)1, 2, 3
• B)3, 2, 1
• C)2, 3, 1
• D)3, 1, 2
• E)they all take the same time

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Definitions:

Two-way Classification

A method of organizing data that involves two independent variables to understand the relationship between them and their impact on a dependent variable.

Chi-square Technique

A statistical method used to assess the differences between observed frequencies and expected frequencies in one or more categories.

Qualitative Variables

Variables that describe or categorize attributes or characteristics of a sample or population, without implying any order or numerical value for comparison.

Goodness-of-fit-test

A statistical test used to determine how well sample data fit a distribution from a population with a normal distribution.