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Journal : Jambura Physics Journal

ANALISIS SEBARAN LAVA BANTAL WATUADEG YANG DIDUKUNG DATA VERTICAL ELECTRICAL SOUNDING (VES) DI LAPANGAN ‘AGSTY’ YOGYAKARTA Nurul Dzakiya; Muhammad Agsti Buana Aditya; Harsano Jayadi; Dewa Gede Eka Setiawan
Jambura Physics Journal Vol 2, No 1 (2020): April 2020
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v2i1.6769

Abstract

Analisis sebaran lava bantal Watuadeg di Kecamatan Berbah DI Yogyakarta yang didukung data Vertical Electrical Sounding (VES )telah dilakukan.Keterdapatan lava bantal yang tersingkap di permukaan merupakan penanda bahwa dahulu daerah tersebut merupakan laut. Akibat proses geologi terutama tektonik mengakibatkan lava bantal tersebut terangkat kedaratan. Lava bantal yang belum tersingkap karena tertutup oleh soil (lapukan batuan) menjadi daya tarik tersendiri untuk dikaji. Persebaran lava bantal permukaan dominan mengalir dari sumbernya ke arah selatan dan menyebar ke tenggara serta dibatasi oleh Sungai Opak. Berdasarkan hasil analisis data VES, keberadan lava bantal di lokasi titik pengukuran berada di kedalaman 4 m dengan nilai resistivitas sebesar 1321,08 Ωm. Berdasarkan  dari data geologi dan nilai resistivitas batuan tersebut dapat disimpulkan bahwa penyebaran lava bantal  dominan ke arah selatan dari pusat erupsinya dengan sayap sebaran ke arah tenggara dan barat daya serta sebarannya masih ada di bawah permukaan
PENDUGAAN POTENSI AIR TANAH BESERTA KEDALAMAMNYA DENGAN METODE RESISTIVITAS KONFIGURASI SHLUMBERGER DI NGLANGGERAN KULON KABUPATEN GUNUNG KIDUL Dzakiyah Nurul; Subhan Arif; Radhitya Adzan Hidayah; Dewa Gede Eka Setiawan
Jambura Physics Journal Vol 4, No 1 (2022): April 2022
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v4i1.14016

Abstract

Research on the estimation of groundwater potential and its depth has been carried out in Nglanggeran Kulon which is the Nglanggeran Ancient Volcano Tourism Village in Gunung Kidul. The large number of tourists who visit makes the need for groundwater in this location also increases but has not been matched by its availability. This area is also a district that almost every dry season experiences a water crisis. The purpose of this study was to find out the potential presence of groundwater and its depth. This is related to the efforts of local residents who want to build new wells. The method used is the geoelectric resistivity method with the Shlumberger configuration. This method exploits the electrical properties of the rock beneath the surface. The physical parameter measured is the resistivity value to create a subsurface geological model in the form of a 1D model. The length of the stretch carried out is 125 m at two measurement points. The results of this study indicate that 1st point has two layers of rock and no groundwater potential is found. 2nd point has four layers of rock. Groundwater potential is found in 2nd layer because it has a low resistivity value of 9.89 ꭥm at depths ranging from 5-9 meters with a thickness of about 4 meters. So that the location of the 2nd point is more recommended for making new wells.
PENGARUH MODEL PEMBELAJARAN DISCOVERY BERBASIS EKSPERIMEN TERHADAP HASIL BELAJAR SISWA KELAS XI DI SMAN 1 BOLIYOHUTO PADA KONSEP FLUIDA STATIS Hersiq Basri; Mursalin Mursalin; Mohamad Jahja; Citron S Payu; Dewa Gede Eka Setiawan; Raghel Yunginger
Jambura Physics Journal Vol 4, No 2 (2022): October 2022
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v4i2.13177

Abstract

This study aims to know whether or not there is a difference in the student's cognitive learning outcomes by using a discovery-bassed learning model and problem based learning model on Physics subjects in Static Fluids material. This study applies a quasi-experimental method with a pretest-posttest control group design using two classes. The study site is at SMAN 1 Boliyohuto in the odd semester of 2021. The population in class XI MIA 1, XI MIA 2, XI MIA 3, and XI MIA 4, with the sample is class XI MIA 3 and Class XI MIA 4, totaling 15 students, respectively. This study uses t-test in hypothesis analysis, where the test is based on the minimum completeness criteria for 75. Based on the result of hypothesis testing, the t-count value is 0.604102, and the t-table value is 2.144787 (tcount  ttable), so H0 is rejected, and H1 is accepted. The H0 states that there is a difference in students learning outcomes by applying the experimental discovery-based learning model and the problem-based learning model.Penelitian ini bertujuan untuk mengetahui apakah ada perbedaan hasil belajar kognitif peserta didik dengan menggunakan model pembelajaran discovery dan model pembelajaran berbasis masalah pada pelajaran fisika materi fluida statis. Metode penelitian yang digunakan adalah metode quasi eksperimen dan menggunakan desain penelitian pretest-posttest control grup desain dengan menggunakan dua kelas. Tempat pelaksanaan penelitian di SMAN 1 Boliyohuto semester ganjil tahun 2021. Populasi kelas XI MIA 1, XI MIA 2, XI MIA 3, Dan XI MIA 4 dengan sampel kelas XI MIA 3 dan Kelas XI MIA 4 yang masing –masing berjumlah 15 peserta didik. Analisis hipotesis dalam penelitian menggunakan uji t, dimana pengujian didasarkan pada Kriteria Ketuntasan minimal disekolah yaitu 75. Berdsarkan hasil pengujian hipotesis diketahui harga t hitung 0.604102 dan harga t tabel yaitu  2.144787 (thitung ttabel), maka H0 ditolak dan H1 diterima, dimana H0 menyatakan bahwa terdapat perbedaan hasil belajar siswa dengan menerapkan model pembelajaran discovery berbasis eksperimen dengan model problem based learning.
ANALYSIS OF STUDENT PERCEPTIONS ON THE USE OF ONLINE LEARNING APPLICATIONS USING THE RASCH MODEL IN PHYSICS LEARNING Dewa Gede Eka Setiawan; Vivit Idrus; Muhammad Yusuf; Trisnawaty Junus Buhungo; Ritin Uloli
Jambura Physics Journal Vol 4, No 2 (2022): October 2022
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v4i2.17286

Abstract

SMAN 1 Tapa initially used the Zoom and Google Meet applications, but there were still many students who were late for learning due to their difficult circumstances in getting internet coverage, so the teachers decided to change the application by using Classroom and Whatsapp to minimize student delays in learning. This study aims to describe students' perceptions of the use of online learning applications using Rasch modeling in physics learning. This research method is descriptive qualitative. The results of this study indicate that students' perceptions based on absorption indicators of object stimuli from outside the individual, students prefer online learning using Classroom and Whatsapp applications. Based on the indicators of understanding or understanding of the object, students understand and understand physics learning. Based on the indicators of individual evaluation of the object, students are enthusiastic and motivated in learning physics. Thus, it can be concluded that students' perceptions of online learning using the classroom and whatsapp applications can help and facilitate students in the learning process during the pandemic in class XI IPA 1.
THERMAL PERFORMANCE OF RESIDENTIAL HAUSE USING GREEN ROOF BY UTILIZING THE PASSION FRUIT PLANTS (PASSIFLORA EDULIS) AS ROOF COVER Suwaldi Mopangga; Mohamad Jahja; Dewa Gede Eka Setiawan; Mursalin Mursalin; Idawati Supu; Meilan Demulawa; Abdi Gunawan Djafar
Jambura Physics Journal Vol 5, No 1 (2023): April 2023
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v5i1.19358

Abstract

Urbanization is the movement of people from villages to cities, this has caused an increase in population growth in urban areas resulting in increased demand for development which has reduced land for green spaces, green roofs are present as a farming concept amidst limited land in urban areas as well as assisting in passive cooling. The process of photosynthesis must play a role in roof shading. The selection of vegetation in the form of passion fruit vines as a roof covering material can spread up to 24 m, the object of research is a house in a housing complex by comparing two rooms, using a vegetation roof cover and without a vegetation roof cover, based on the results obtained a room with a vegetation roof cover experienced a decrease in temperature as the growth of vines covered the roof, the results obtained were a comparison between the two rooms, namely 0.1℃ in January, 1.1℃ in February and 2.6℃ in March when the peak temperature is during the day.
MECHANICAL PROPERTIES OF SUGAR PALM (ARENGA PINNATA) ROPES AND NETS FOR AGRICULTURAL PURPOSES Mohamad Jahja; Kasim Dihuma; Dewa Gede Eka Setiawan; Tsutomu Yamaguchi; Andi Patiewere Metaragakusuma; Masayuki Sakakibara
Jambura Physics Journal Vol 5, No 1 (2023): April 2023
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v5i1.19433

Abstract

Sample of Arenga Pinnata (AP) fibres, ropes and nets were prepared from AP ropes using traditional tools. The ropes and nets were used as agricultural material such as vertical farming of vines (passion fruit, grape, bitter gourd, and melon) in Gorontalo and Japan. The combination of nets and vines acts as green curtain (GC) which. Could mitigate the thermal energy in outdoor as well as indoor buildings. and tested with the deformation rate of up to the point of rupture. To avoid the failure of ropes and nets on supporting the weight of the vines, the Universal Testing Machine Model WDW-50 were used to determine the ultimate tensile forces. While the physical size of the AP fibres, ropes and nets also being measured to confirm the uniformity of the individual ropes and nets
Co-Authors AA Sudharmawan, AA Abd Rahman Abd Wahidin Nuayi Abdi Gunawan Djafar Abdul Haris Odja Abdulrahman Djou Ahmad Zainuri Ahmadi, Haerul Akuba, Kisman Andi Indra Wulan Sari Ramadani Andi Iskandar Andi Patiewere Metaragakusuma Anggo, Nina Shaqina Anisa Fauzia Ardita Ardita Ardiyanto, Kamal Asi, Algianto Asri Arbie Audina Setyawaty D. Buta Aulia Fitrah Ramadhani Bokori, Nur A S Buhungo, Trisnawaty Junus Bunga Tang Citron S Payu Citron S. Payu Damopolii, Relita Danial, Yulistia Anggraini Desi Kiswiranti Dewahastu Gaib Dewaputu, Nugraha Oktofelly Dewi Diana Paramata Dzakiya, Nurul Elfiana Elfiana Elfiana Elfiana, Elfiana Elvira Ariyanto Pakaya Fira Lakoro Gafur, Nurfitri Abdul Gamar Abdullah Goma, Metalika Habibi, Moh Arif Alfan Haris Odja, Abdul Harsano Jayadi Hasan, Ananda Febryana Hasani, Sintia Nasir Hersiq Basri Hidayah, Radhitya Adzan Hidjrawaty Tantu Husen, Maman Hermana I Komang Wijaya I Made Hermanto Ikano, Robin Ilato, Nursuciani Radja Indriati Martha Patuti Irsan Irsan Rahman, Irsan Isa, Putri Cahyani Iswanto A. Yunus Jahja, Mohamad Jahja, Muhamad Karim, Rahmiaty Abd. Kartika Kasim Dihuma Khan, Mikail Gabriel Khan Kobandaha, Restiyanti Kuengo, Nur Rahma Kurniasari, Septiana Kusmayancu, Cucu Lantapon, Nancy Noviana Larasati Sukmadewi Wibowo Lasumbu, Indrawati Latief, Fachrul Latief, Muh. Fachrul Lipoeto, Moh. Ramdan Lukman Samatowa Mahmud, Surti A. Mamonto, Siti Nurhaliza Mamonto, Yusril Mahendra Masayuki Sakakibara Masra Latjompoh Masri Kuadrat Umar Masri Kudrat Umar Masri Kudrat Umar Meidji, Icha Untari Meilan Demulawa Mobiliu, Fajar Putra Moh Arif Alfan Habibi Mohamad, Wahyu Muzizat Mohamad, Wahyu Mu’zizat Mohammad Yusuf Mooduto, Ferna Panto Suharto Muammad Irfan Dunggio Muh Fachrul Latief Muhammad Agsti Buana Aditya Muhammad Faizal Zakaria Muhammad Yunus Muhammad Yunus Muhammad Yunus Muhammad Yunus Muhammad Yusuf Muhammad Yusuf Muksin, Engelina Mursalin Mursalin . Nalle, Merpati Teodoris Nina Shaqina Anggo Nismawati A Haruna Nova Elysia Ntobuo Nover Tiara Jelita Ntobuo, Nova E. Nurfadillah Abdullah Nurhidayah Nurhidayah Puput Salsabina F. Satri Rabiasa, Sri Alda Rabiyanti B. Kamali Raflin Hamzah Taib Rahim, Niarti Ramadani, A. Indra Wulan Sari Rifai, Rusni R Ritin Uloli Rizky Prayatman Robertus Belardo Laksmana Rum, Junita Angraini Styaning Salmawaty Tansa Salmawaty Tansa Samatowa, Lukman Sandi, Febriyanti Yuliana Sarni Ngadi Septiana Kurniasari Sintia Nasir Hasani Siti Fazria Tobuto Sri Nuryatin Hamzah Sri Yanti N Ismail Stenly Tampi Subhan Arif Supartin Supartin Supartin Supartin, Supartin Supu Idawati Supu, Idawati Supu, Idawaty Suwaldi Mopangga Syaripudin, Magfira Taib, Raflin Hamzah Tirtawaty Abdjul Tsutomu Yamaguchi Vivit Idrus Yita Irmala Sari Yudoyono, Susilo Yunginger, Raghel Yunginger Zulkifli, M