Analisis Hasil Pengukuran Nilai Kecepatan Rata-Rata Bunyi Di Udara dengan Menggunakan Piranti Lunak Audacity

Authors

  • Nandra Nandra Universitas Tanjungpura
  • Ya' Muhammad Arsyad Universitas Tanjungpura
  • Usliana Mustafa Universitas Tanjungpura

DOI:

https://doi.org/10.26418/pf.v10i3.60721

Abstract

Telah dilakukan penelitian analisis kecepatan rata-rata bunyi di udara menggunakan bantuan piranti lunak audacity. Penelitian ini bertujuan untuk melihat hubungan antara variasi jarak yang diberikan (1, 2, 3, 4, 5, dan 6 m) terhadap kecepatan rata-rata bunyi di udara. Eksperimen yang dilakukan memanfaatkan pemantulan suara dari garpu dan sendok   yang kemudian gelombang suaranya dianalisis menggunakan fitur waktu perekaman bunyi awal dan gema yang ada pada piranti lunak audacity. Metode regresi linier digunakan untuk keperluan analisis data serta menentukan kecepatan bunyi dengan hasil sebesar v = (351  6) m/s. Persentase kecepatan relatif (  dihitung guna mendapatkan informasi ralat relatif dari hasil kecepatan dengan hasil sebesar 3,4%. Hasil percobaan ini masih dalam jangkauan nilai kecepatan bunyi di udara secara teori (). Koefisien determinasi dengan R2 = 0,993 menunjukkan variabel jarak dan waktu memiliki keterikatan yang kuat. Dengan demikian, audacity dapat menjadi alternatif untuk menghitung cepat rambat bunyi di udara.

Author Biographies

Nandra Nandra, Universitas Tanjungpura

Program Studi Fisika

Ya' Muhammad Arsyad, Universitas Tanjungpura

Program Studi Fisika

Usliana Mustafa, Universitas Tanjungpura

Program Studi Fisika

References

Soedojo, Fisika Dasar. Yogyakarta: CV ANDI OFFSET, 2004.

Priyambodo, “Analisis Faktor Penyebab Kesulitan Belajar IPA Fisika pada Materi Bunyi.†p. 236, 2008.

W. A. Sandria, F. Hamid, and I. Ishafit, “Mengukur cepat rambat bunyi di udara menggunakan sound card stereo dengan metode time of flight,†Berk. Fis. Indones. J. Ilm. Fis. Pembelajaran dan Apl., vol. 11, no. 2, p. 40, 2020.

R. Jaafar and A. N. Mat Daud, “Harmonic series experiments in three-in-one resonance tube with audacity software,†J. Phys. Conf. Ser., vol. 1185, no. 1, 2019.

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Published

2023-02-26

Issue

Vol. 10 No. 3 (2022)

Section

Articles

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Date: 24-05-2023

Prisma Fisika
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