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Rekayasa Bahan Bangunan dari Abu Vulkanik sebagai Alternatif Semen Ramah Lingkungan Edi Priyono; Mettadewi Wong
Journal of New Trends in Sciences Vol. 3 No. 1 (2025): Journal of New Trends in Sciences
Publisher : CV. Aksara Global Akademia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59031/jnts.v3i1.751

Abstract

This study aims to analyze the effect of body angle variations on propulsion force and water resistance in swimmers through a biomechanical approach. This research is motivated by the importance of movement efficiency in swimming, where suboptimal body positions can increase drag coefficient, thus slowing down swimming speed. The method used is a quantitative experimental design, involving professional and semi-professional swimmers. Instruments used include a motion capture system to record body movements, force sensors to measure propulsion and water resistance, and biomechanical software to analyze force vectors and drag coefficient. The results show a significant difference in swimming performance based on body angle variations. At a 0° angle, the average propulsion force is 145.3 N with a drag coefficient of 0.92. At a 15° angle, the propulsion force increases to 162.7 N with the lowest drag coefficient of 0.78. Meanwhile, at a 30° angle, the propulsion force decreases to 150.1 N, and the drag coefficient increases to 0.88. These findings indicate that a 15° body angle is the most optimal position, as it minimizes water resistance and maximizes propulsion force, thus improving swimming movement efficiency. The implications of this study suggest that biomechanical approaches can be used to design more efficient swimming training programs. The findings are also beneficial for swimmers and coaches in developing more effective training strategies.
THE INFLUENCE OF LEARNING READINESS AND CONCENTRATION ON THE LEARNING OUTCOMES OF BUDDHIST RELIGIOUS EDUCATION AMONG TENTH-GRADE STUDENTS AT SMK KASIH MAITREYA SELATPANJANG, RIAU Metta Theora; Mettadewi Wong; Isomudin
Jurnal Agama Buddha dan Ilmu Pengetahuan Vol. 12 No. 1 (2026): Jurnal Agama Buddha dan Ilmu Pengetahuan
Publisher : Sekolah Tinggi Agama Buddha Negeri Raden Wijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53565/abip.v12i1.2136

Abstract

This study examines the influence of learning readiness and concentration on the learning outcomes of Buddhist Religious Education among tenth-grade students at SMK Kasih Maitreya Selatpanjang, Riau. The background of the research lies in the recognition that internal student factors are essential for successful learning, particularly in spiritual and value-based subjects. A quantitative survey method was applied, involving 99 students selected through total sampling. Research instruments consisted of validated and reliable questionnaires, and the data were analyzed using both simple and multiple linear regression. The findings revealed that: (1) learning readiness has a positive and significant influence on learning outcomes with a contribution of 68.5%; (2) concentration also positively and significantly affects learning outcomes with a contribution of 83.6%; (3) jointly, both variables strongly influence learning outcomes with a combined contribution of 84.4%; and (4) concentration is the most dominant predictor. These results confirm that readiness and concentration are crucial in supporting the academic performance of students in Buddhist Religious Education. Moreover, the findings highlight the relevance of Buddhist values such as mindfulness (sati), right effort (viriya), and calmness (samādhi) as guiding principles for enhancing students’ learning processes.