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All Journal BERKALA FISIKA Jurnal Inovasi Pendidikan IPA Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Ilmu Fisika dan Terapannya (JIFTA)
Kuncoro Asih Nugroho
Jurusan Pendidikan Fisika, FMIPA, Universitas Negeri Yogyakarta
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mathematics Physics

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Penentuan Gaya Tolak Menolak Magnet Antar Dua Magnet Permanet Menggunakan Metode Kesetimbangan Benda Asih Nugroho, Kuncoro
BERKALA FISIKA Vol 13, No 2 (2010): Berkala Fisika, Edisi Khusus
Publisher : BERKALA FISIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (555.187 KB)

Abstract

Use of magnets vary in life. Use of magnets depending on needs. Magnets can be used from the side: the field is generated, attractive force and repel force between the two magnets. Special utilizing repel forces magnetic one used on the railways to reduce the friction between wheel and rail.One way to determine the amount of repel force magnet is to use the object equilibrium. Two similar magnetic poles will repel. Large repulsion force depends on magnetic field (B) accrued and distance (r) the two magnets. Two magnets with similar poles are placed in the shell will give rise to vertical distance between the magnets to each other.  There is a balance between the repulsive magnetic force with the gravity due to the mass of the magnet when the magnet above the rest. Magnetic repulsive force can be determined for certain r by changing the magnetic mass. Large magnetic gravity on each r can be computed from the gravity due to the magnetic mass.   Keywords: repel force, gravity
The Effectiveness of The POE2WE Learning Model in Supporting Distance Learning in The Era of The Industrial Revolution 4.0 Nana Nana; Kuncoro Asih Nugroho; Jamil Ahmad
Jurnal Inovasi Pendidikan IPA Vol 9, No 1: April 2023
Publisher : Faculty of Mathematics and Natural Sciences, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jipi.v8i1.55767

Abstract

In general, the competence of students who learn to dare is assessed to have decreased. The form of learning that can be used as a solution in the era of the industrial revolution 4.0 is distance learning. This research method is a quantitative descriptive study that aims to describe and analyze student responses regarding the application of the LMS-based POE2WE learning model. The research respondents were 233 students from two universities who came from the Physics Education study program, D4 Nursing and Professional Nurses in Tasikmalaya City. Data collection techniques used are questionnaires and observation. The questionnaire consisted of 15 positive statements related to the application of the LMS-based POE2WE learning model in supporting distance learning in the era of the industrial revolution 4.0. The results of the analysis obtained that from 233 students the average result was 4.01. This means that the average student agrees that the application of the LMS-based POE2WE Learning Model provides a good response and. This is an indication that the implementation of learning with the POE2WE model can be carried out in various learning backgrounds. The problems faced are related to increasing quotas and poor internal networks.
Meningkatkan Kemampuan Berpikir Kritis dalam Penerapan PjBL pada Dinamika Fluida: Studi Literatur Nurul Wahdah; Kuncoro Asih Nugroho; Jumadi Jumadi
Jurnal Penelitian Pendidikan IPA Vol. 9 No. 6 (2023): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i6.2743

Abstract

The purpose of this study is to comprehend and describe the application of project-based learning integrated STEM (science, technology, engineering, and mathematics), or PjBL-STEM, to the study of fluid dynamics in order to improve critical thinking skills. Utilizing qualitative data collection methods, such as literature studies, is the research methodology used in this project. Theoretical sources that are relevant to the issues identified are searched for to collect data for this study. The data obtained is subsequently examined using descriptive analysis techniques. According to the data analysis, the N-gain score revealed an improvement in students' critical thinking skills. These conclusions are also supported by other pertinent investigations. According to a review of the research, using PjBL-STEM to study fluid dynamics may enhance critical thinking skills.
ANALISIS DINAMIKA ERITROSIT DALAM DARAH-EDTA BERDASAR PENGUKURAN SPEKTROFOTOMETRI MENGGUNAKAN PRINCIPAL COMPONENT ANALYSIS UNTUK IDENTIFIKASI BIOMARKER KANKER PAYUDARA Ratna Fadhila Salma; Kuncoro Asih Nugroho; Ngadikun Ngadikun
Jurnal Ilmu Fisika dan Terapannya (JIFTA) Vol 8, No 2 (2021): Jurnal Fisika
Publisher : Prodi Fisika, Departemen Pendidikan Fisika

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Abstract

Penelitian ini bertujuan untuk mengetahui perbedaan pola agregasi eritrosit antara subjek normal dan subjek penderita kanker payudara menggunakan Principal Component Analysis (PCA) serta untuk mengetahui deskripsi proses terjadinya agregasi eritrosit ditinjau dari parameter muatan listrik Potensial Zeta. Ethylenediaminetetraacetic Acid (EDTA) digunakan untuk mencegah pembekuan darah. Sampel darah Vena yang sudah dimasukkan EDTA dilakukan pengambilan data uji  spektrofotometri. Setelah diperoleh data absorbansi selanjutnya nilai absorbansi dengan interval 7 detik diolah menggunakan aplikasi Matlab dan Microsoft Excel. Parameter pembeda pola agregasi eritrosit kedua kelompok dianalisis menggunakan model pendekatan PCA grafik klusterisasi 2 dimensi dan 3 dimensi. Hasil penelitian diperoleh tidak ada perbedaan pola agregasi eritrosit antara subjek penderita kanker payudara dan subjek normal apabila diolah menggunakan metode PCA. Grafik 2 dimensi menunjukkan posisi kedua kelompok saling bertumpang tindih, tidak dapat membedakan subjek kelompok kanker payudara dan subjek normal. Hal ini didukung dengan persen variansi data untuk PC1 sebesar 23,32% dan PC2 sebesar 18,02% dengan persen variansi kumulatif 41,34%. Grafik 3 dimensi menunjukkan hal yang serupa, kedua kelompok saling bertumpang tindih dengan persen variansi data PC3 sebesar 12,86% dan persen variansi kumulatif sebesar 54,2%. Kesimpulan, metode PCA tanpa langkah pra-pemrosesan data tidak dapat membedakan pola absorbansi agregasi eritrosit antara subjek kanker payudara dan subjek normal.Kata Kunci: absorbansi, EDTA, eritrosit, kanker payudara, PCA
Co-Authors Jamil Ahmad Jumadi Jumadi Nana Nana Ngadikun Ngadikun Nurul Wahdah Ratna Fadhila Salma