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Concept explainers
To design:An experiment to test the formula of speed of a wave on a string; the measurements taken and how to use them to test the formula.
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Explanation of Solution
Introduction:
Equation for the speed of a wave on a string
Where
To test the formula of speed of wave on a string,
Take a string of known length and weight. Fix the string’s two end rigid supports.
Suspend a
To calculate the speed of wave, length and mass of the string must be known. The length can be measured using a scale and the weight using a balance.
To calculate mass from the measured weight, divide the weight by acceleration of gravity.
In the formula
The tension in the string is
Knowing
Conclusion:
The speed of wave on a string can be calculated if the tension in the string, length and weight of the string is known.
Chapter 15 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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