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All Journal Journal of Novel Engineering Science and Technology Jurnal Penelitian Pembelajaran Fisika
Anwar, Zaina
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Environmental Science Mechanical Engineering Physics

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Experimental Study of Gravity Measurement with a Video-Based Laboratory Pendulum with Tracker Software: Comparison of Weighted and Unweighted Tests Wahab, Dedi Suwandi; Hamsa, Berlian; Sina , Tuti Asmianti; Deti, Maria; Anwar, Zaina; Arifin, Anggun Syafira; Nursilawati, Wingki; Servia; Jaudin, Santi Hasan; Jufriansah, Adi
Journal of Novel Engineering Science and Technology Vol. 4 No. 01 (2025): Journal of Novel Engineering Science and Technology
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/jnest.v4i01.644

Abstract

This research aims to determine the value of the Earth's gravitational acceleration (g) using the mathematical pendulum swing method with an unweighted linear regression approach, weighted linear regression, and the 4th-order Runge-Kutta numerical method. The data used are the results of measuring the swing period of the pendulum for various lengths of string. The analysis was carried out by calculating the average value of gravitational acceleration using multiple methods. The results show that weighted linear regression provides more consistent and accurate estimates than unweighted linear regression, with a high coefficient of determination (R²) value. The Runge-Kutta numerical method is also used to predict swing periods with a more in-depth mathematical approach, producing values ​​supporting experimental data trends. Overall, this research makes an average value of gravitational acceleration of around 9.11 m/s², close to the expected theoretical value. These findings show that the mathematical pendulum swing method can be used effectively to measure the Earth's gravitational acceleration with sufficient accuracy and provide an essential contribution in the context of physics education regarding the application of basic principles in physics experiments.
The Effectiveness of Using Smartphone-Based Phyphox in Field Practice Tilt to Improve Students' Creative Thinking Skills Rusdin, Muhammad Epi; Prasetyo, Erwin; Anwar, Zaina; Pujianti Bejahida Donuata; Nurfadilah; Farizi, Zakaria Al
Jurnal Penelitian Pembelajaran Fisika Vol. 16 No. 2 (2025): APRIL 2025
Publisher : Program Studi Pendidikan Fisika, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jp2f.v16i2.1623

Abstract

The use of technology is a solution to overcome problems in physics learning. This study aims to determine the effectiveness of using Smartphone-based Phyphox in improving students' creative thinking skills. The design used in this research is a nonequivalent pre-test and post-test control group design. This study used a purposive sampling technique to get two groups. The statistical analysis used was independent sample t-test. The results of the analysis showed that there was an effect of using Smartphone-based Phyphox in improving students' creative thinking skills, so it was effective in the learning process. In general, this research can contribute to the field of education, especially physics learning, to optimize the use of technology as a learning medium. This learning strategy allows students to participate directly in proving the concept of the material. In addition, this model can be an alternative to active learning in improving students' creative thinking.
Co-Authors Adi Jufriansah Arifin, Anggun Syafira Deti, Maria Farizi, Zakaria Al Hamsa, Berlian Jaudin, Santi Hasan Nurfadilah Nursilawati, Wingki PRASETYO, ERWIN Pujianti Bejahida Donuata Rusdin, Muhammad Epi Servia Sina , Tuti Asmianti Wahab, Dedi Suwandi