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All Journal Spektra: Jurnal Fisika dan Aplikasinya PENDIPA Journal of Science Education Jurnal Kumparan Fisika Jurnal Pengabdian Al-Ikhlas Jurnal Multidisiplin Madani (MUDIMA)

Muchammad Farid

Universitas Bengkulu

Author-ID : 3327740

Aerospace Engineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics Social Sciences

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Penentuan Nilai Emisivitas Warna Menggunakan Penerangan Pada Miniatur Ruang Berbentuk Kubus Dan Proses Pembelajaran Fisika Kelas X SMK Negeri 2 Bengkulu Tengah Cariti Dassa Urra; Afrizal Mayub; M Farid
PendIPA Journal of Science Education Vol 1, No 1 (2017): october
Publisher : University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.1.1.32-40

ABSTRACT This study aims to: know the value of emissivity of purple, green, blue, red, light green, light blue, orange, yellow, pink, and improvement of learning outcomes by using PBL model on the concept of heat transfer class X TKR SMKN 2 Bengkulu Tengah, and explain the difference of students' cognitive learning outcomes in high, medium and low group. This study deals with the measurement of color emissivity and its implementation in physics learning on the topic of heat transfer. The population in this study is all students of class X SMK Negeri 2 Bengkulu Tengah academic year 2016/2017. The sample is taken by purposive sampling technique, that is class X.TKR (Light Vehicle Technique) which is taught by Problem Based Learning (PBL) model. This research is a quasi experimental research with One Group pretest-posttest design. The results showed that the purple comet value was 0.91, the green emissivity (going green) was 0.84, the blue emissivity (true blue) was 0.77, the red color emissivity (talk of the town) 0.66, light green color emissivity (apple martini) of 0.61, blue sky emissivity of 0.54, orange torch emission of 0,50, emissivity of light brown (pastry puff) of 0.46, yellow color emission (absolute yellow) of 0.37, and pink emissivity (crystal pink) of 0.24; There is an increase in learning outcomes on the concept of high, medium and low group high caloric transfer with N-gain values of 0.76 (high), 0.64 (medium), and 0.46 (moderate); There was a difference of students' cognitive learning outcomes in the high, medium and low groups shown by Fcount> Ftable (4.40> 3.35) at the 5% significance level.

Analisis Shear Strain dan Kerusakan Bangunan Akibat Gempa Bumi di Kecamatan Gading Cempaka dan Ratu Agung Kota Bengkulu Kurnia Lestari; Muchammad Farid; Afrizal Mayub
PendIPA Journal of Science Education Vol 2, No 3 (2018): October
Publisher : University of Bengkulu

ABSTRACT [The Analysis of Shear Strain and Building Damage due to Earthquake at Gading Cempaka and Ratu Agung District in Bengkulu City]. The aims of this research are to: (1) determine and mapping the distribution of shear strain values, (2) correlate between shear strains with building damage Gading Cempaka and Ratu Agung caused by earthwuake at sub district in Bengkulu city. Microtremor data were taken at 108 observation points then analyzed using HVSR method to obtain amplification factor and dominant frequency values..The result showed that shear strain value of Gading Cempaka and Ratu Agung sub district in Bengkulu city are relatively heterogeneous although in the same geological formation type. The earthquake in 2007 is estimated to be 3.38% potential to deform the land surface in the form of fractures and settlements and 96, 62% potentially experience shocks due to waves and vibrations due to earthquake. The earthquake of 2000 estimated that almost the entire area of Gading Cempaka and Ratu Agung has the potential to experience shocks due to waves and vibrations due to earthquake that is equal to 97% while potentially liquefaction (ambles) occurs by 3%. The correlation between shear strain with the damage of buildings due to earthquake shows the relationship is directly proportional to the function y = 15267x + 26.219 with the coefficient of resgression of = 0.671. Keywords: Earthquake; HVSR method; microtremor; shear strain.

Pembelajaran Fisika Konsep Kalor Dengan Menggunakan Media Pirolisis Sampah Plastik Untuk Meningkatkan Ketrampilan Berpikir Kritis Siswa Di SMAN 3 Bengkulu Tengah Umi kalsum; Agus Sundaryono; M Farid
PendIPA Journal of Science Education Vol 1, No 1 (2017): october
Publisher : University of Bengkulu

The objectives of this research are (1) to know the value of density, viscosity, fog point, oil absorption caloric, odor, color and fire sensitivity, in pyrolysis of plastic garbage from condenser one and two adsorbed using zeolite and activated charcoal, (2) the content contained in pyrolysis plastic waste oil adsorbed using active zeolite and charcoal, (3) knowing differences in critical thinking skills among students who learn to use guided inquiry learning model with students who study conventionally on physics learning. Convert plastic waste into fuel oil using a pyrolysis process with two water condensers, then plastic waste pyrolysis oil adsorbed using activated zeolite and charcoal. The results showed that the density value of the adsorbed oil for one condenser was 772 Kg / m3 and the condenser was 770 Kg / m3, the viscosity value of the adsorbed oil from the condenser one and two had the same value of 0.49 m2 / s, the fog point value oil that has been adsorbed on the condenser yield one and two is the same value that is -18oC, the calorific value of oil absorption, color, odor, and fire sensitivity shows the more adsorbent and the longer the adsorption process, the oil absorbs the smaller, , the odor does not sting, and the fire sensitivity gets smaller. GC-MS test results obtained the most compounds contained in pyrolysis oil plastic waste that has been adsorbed that is 1,3,5-trimethylcyclohexene. The implementation of physics learning on the concept of heat shows that there are differences in critical thinking skills in control and experiment class. Based on different test on posttest result the first material got 0,022 and postest second material equal to 0,047, the value is smaller than level of significance 0,05 so Ha accepted.

Hubungan antara Kedalaman Permukaan Air Tanah dengan Salinitas di Pesisir Pantai Kungkai Baru serta Penggunaan Model Discovery Learning Sutijo Joko Sudiro; Muchammad Farid; Eko Swistoro
PendIPA Journal of Science Education Vol 2, No 3 (2018): October
Publisher : University of Bengkulu

ABSTRACT [Relationship between Groundwater Surface Depth with Salinity at the Coast of New Kungkai Beach and its Implementation on Discovery Learning Model]. The aims of this study were 1) to describe the relationship between groundwater surface depth with salinity in the coastal areas of new kungkai beach of Seluma, and 2) to determine the improvement of learning outcomes (cognitive) of high ability students, moderate and low by using discovery learning model on the concept of static fluid in class X computer and network engineering at SMK Negeri 3 Seluma. This research was a quasi experimental research with one groups pretest-posttest design. The results showed: 1) The relationship between depth with salinity has a value of 0.6478 with a significance level of 0.001 (<0.05); 2) Learning with discovery learning model can improve student learning outcomes on cognitive aspects (knowledge). Increased cognitive results can be seen from the average value of the initial test, the final test and the average value of gain in the class x Tkj is high-ability groups are at high criteria with a value of 0.75 gain in the group is in the criteria medium with the value of gain 0,52 and in the low group were in moderate criteria with a gain value of 0.44. There is a difference in learning outcomes between the high, medium and low groups. The difference is shown by Fcount > Ftable (4.04 > 3.35) with a significance level of 5%. Keywords: Groundwater surface depth; salinity; discovery learning model; SMKN 3 Seluma.

Penggunaan Data Mikrotremor Dan Vs30 Untuk Mengetahui Hubungan Ketebalan Sedimen Terhadap Produktivitas Kelapa Sawit Dan Implementasinya Dalam Pembelajaran Fisika Riska Marwanti; M.Lutfi Firdaus; M Farid
PendIPA Journal of Science Education Vol 1, No 1 (2017): october
Publisher : University of Bengkulu

The aims of this study were to determine the relationship of sediment thickness to palm oil productivity and to know the improvement of student learning outcomes after learning using LKPD based on service learning. This study was conducted using HVSR (Horizontal to Vertical Spectral Ratio) method. Data were collected as 10 primary data points, while secondary data on palm oil productivity was obtained from PT Bio Nusantara Teknologi. Data obtained from field measurements are numerical data of natural wave recording or seismic signal at each measurement point. The data is processed using Geopsy software so it can be known the price of the dominant frequency (fo), while the shear wave velocity (Vs30) is obtained through USGS data. The result of this research is there is intermediate relationship between sediment thickness to productivity of palm oil with product moment correlation value equal to 0,6392, so that thicker layer of sediment hence higher productivity. The results of this study further used as a source of information contained in the form of LKPD-based service learning to become a learning medium taught by Problem Based Learning (PBL) model on students of class XI SMK N 1 Padang Jaya to know the improvement of students' cognitive learning outcomes in physics learning. The result of research implementation influence of sediment thickness to productivity of palm oil in classroom study showed cognitive learning result of learners experience improvement of cognitive learning result with average value of N-gain of 0,52 (medium criterion).

Co-Authors Afrizal Mayub Afrizal Mayub Afrizal Mayub Agung Sedayu Arif Ismul Hadi Budiyanto Budiyanto Cariti Dassa Urra Darmawan Ikhlas Fadli Deassy Siska Eko Swistoro Giltro Kencoro Harlianto, Budi Helmy Fitriawan Kurnia Lestari M. Lutfi Firdaus Nanang Sugianto Nandi Haerudin Nirwana Revika Julia Pratiwi Riska Marwanti Rustadi ., Rustadi Rustadi Rustadi Suhendra Suhendra Sutijo Joko Sudiro Suwarsono Suwarsono Umi kalsum

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