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All Journal Jurnal Pendidikan Fisika UPEJ Unnes Physics Education Journal
Syifa, Naila Hilmiyana
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Education Physics

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Penggunaan LKPD Berbasis PBL dalam Pembelajaran Daring untuk Meningkatkan Hasil Belajar Fisika Syifa, Naila Hilmiyana; Wiyanto, Wiyanto; Astuti, Budi
UPEJ Unnes Physics Education Journal Vol 10 No 3 (2021)
Publisher : UPEJ Unnes Physics Education Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/upej.v10i3.55671

Abstract

Online learning due to the Covid-19 pandemic that lasted more than a year made students' interest in learning and learning outcomes decrease. Therefore, online learning innovation is needed, one of which is the use of problem-based worksheets. This study aims to describe learning innovations with problem-based worksheets on the Doppler Effect material and to determine the increase in learning outcomes and acceptability responses to students after using problem-based worksheets in online learning. This study uses a pre-experimental method with one group pretest and posttest design. The sampling technique used is purposive sampling. Learning outcomes data were revealed by tests while student responses were revealed through interviews. Tests are given at the beginning and end of learning. Learning outcomes data that have been collected were analyzed quantitatively descriptively. The increase in learning outcomes is seen from the difference between the pretest and posttest scores. Student responses to problem-based worksheets are seen from positive or negative tendencies. The results of this study an increase in learning outcomes and positive responses.
DETERMINATION OF TERMINAL VELOCITY AND FLUID VISCOSITY USING FALLING BALL VISCOMETER WITH VIDEO TRACKER APLICATION Syifa, Naila Hilmiyana; Hartono, Hartono; Sulhadi, Sulhadi
JPF (Jurnal Pendidikan Fisika) Universitas Islam Negeri Alauddin Makassar Vol 10 No 2 (2022)
Publisher : Pendidikan Fisika UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jpf.v10i2.22242

Abstract

Abstract The purpose of this study is to determine the terminal velocity and fluid viscosity using falling ball viscometer with video tracker application. The terminal velocity is obtained by videoing the ball falling into a tube 115 cm long and 5 cm in diameter which has been filled with fluid and then the video is analyzed using tracker application. The fluids used are oil SAE 20W-50 and glycerin. The balls used are namely as balls I, II, and III with diameters of 1,09cm, 1,56cm, and 1,57cm. Once the terminal velocity of the sphere is known, the fluid viscosity is obtained by using Stokes law principle. The terminal velocities of balls I, II, and III in oil SAE 20W-50 are 0.247m/s, 0.250m/s, and 0.187m/s, while the terminal velocities of balls in glycerin are 0.092m/s, 0.090m/s, and 0.065m/s. The average fluid viscosity of oil SAE 20W-50 and glycerin are 0,834Ns/m2 and 1,807Ns/m2.
Co-Authors Budi Astuti Hartono Hartono Sulhadi - Wiyanto -