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All Journal Pillar of Physics Education : Jurnal Berkala Ilmiah Pendidikan Fisika Jurnal Karajata Engineering
Ahmad Fajrin
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Civil Engineering, Building, Construction & Architecture Education Physics Other

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PEMBUATAN LKPD BERORIENTASI KOMPLEKSITAS KONTEN DAN PROSES KOGNITIF PADA MATERI SUHU DAN KALOR UNTUK PEMBELAJARAN FISIKA SMA/ MA Ahmad Fajrin; Amali Putra; Letmi Dwiridal
PILLAR OF PHYSICS EDUCATION Vol 9 (2017)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.561 KB) | DOI: 10.24036/2509171074

Abstract

This research is motivated by the non-optimal achievement of competence of learners to physics. To improve the competence of learners, developed teaching material in sheet form K0erja Students (LKPD) Complexity Oriented Content and Cognitive Processes.This study included research into the types of development (research and development). The development model used is the model 4-D comprising the step of defining (define), design (design), development (development), and the spread (disseminate). LKPD trials conducted prior to 5 people validator. Furthermore LKPD tested the practicality of the two teachers and a large number of learners. The final stage of this study is testing the effectiveness is limited to a number of learners.Validity test results obtained LKPD overall average value of 3.00, test the practicalities of teachers SMAN 4 Padang obtained an average value of 3.37 as well as the practicalities of test results obtained learners speserta average value of 3.37. Based on these results, we can conclude that Complexity Content Student and Cognitive Process Worksheet generated in the category valid and practical. While the effectiveness of the test results obtained by value Student Worksheet gain a score of 0.47, meaning that the researchers developed of Student Worksheet that are in the moderate category and can be used to improve the competence of learners
Analisis Kapasitas Penampang Sungai untuk Mengidentifikasi Banjir Menggunakan Software HEC-RAS 6.3.1 Ahmad Fajrin; Asrul; Nurnawaty; Indriyanti
Jurnal Karajata Engineering Vol. 4 No. 2 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/karajata.v4i2.3237

Abstract

Floods occur due to a situation where the water flow is not accommodated Banjir, Hec-ras 6.3.1, Sungai. by the riverbed, as a result floods can cause property losses and loss of life. The purpose of this study was to determine the capacity of the Pangkajene River cross-section and identify flood overflows that occurred in the Pangkajene River. The model used in this study is the flow Hec-ras 6.3.1 (River Analysis System (RAS) Center (HEC). The results of the study showed that many river cross-section points experienced overflows and the highest discharge point was at STA 2400 of 254.48 m3/sec and an overflow height of 1.0 m. The main cause is the high intensity of rainfall accompanied by sedimentation deposits in the river which makes the river shallower so that almost every year there is a flood overflow at the research location
Co-Authors Amali Putra Asrul Indriyanti Letmi Dwiridal Nurnawaty