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Direct linkHahn, Marcelo Dumas; Cruz, Frederico Alan de Oliveira; Carvalho, Paulo Simeão – Physics Teacher, 2019
When sound waves are taught at the secondary level, the speed of propagation of sound is one of the most important characteristics to be analyzed. However, it is very common in textbooks that the value of sound speed in air is considered constant regardless of the experimental conditions. The great question is that since sound is a mechanical…
Descriptors: Measurement Techniques, Motion, Acoustics, Physics
