This study aimed to create a teaching material using an application with a Graphical User Interface (GUI) provided on MATLAB. This teaching material is intended for Physics subject. Creating a GUI with MATLAB was made using the guide facility provided in MATLAB. The MATLAB GUI has a relatively small file size so that it can speed up the running program commands. This research aimed to create an application that is easy and effective to be used by users without having to understand the complexity of computing MATLAB. The application consists of a main menu, a GUI that can be run according to the materials needed by the users, as well as a menu to close the application. The physical matter contained in it is planetary motion (Kepler’s law). Physics learning materials that can be used as a reference in running the GUI program, e-modules containing procedures for creating the GUI by using MATLAB for learning, as well as the MATLAB source code used in every programming. For further research, the author expects the development of this study by using the e-module contained in the application as a material for creating GUI MATLAB.
Seismic refraction is one of the active seismic methods that work based on seismic waves that are refracted following the layers of the earth beneath the surface. Seismic refraction surveying is an important tool for determining the geometries and elastic wave propagation velocities of near-surface layer for oil bearing structures. Based on the data acquisition sketch obtained, the acquisition is carried out using the In-Line technique. There are two sources of vibration chosen, namely at the forward and reverse points, the distance between the 5-meter geophone and the distance between the source of the vibration and the geophone of 5 meters. The seismic data processing technique used in this study is the Generalized Reciprocal Method (GRM). This method determines the value of analysis, XY Optimum distance, time-depth analysis value, and depth. In interpreting seismic data, the calculation results that have been made are validated for accuracy using Software. From the research that has been done, it can be known as modeling subsurface structure. There are three layers, the first layer is 6 m-10m deep, while the second layer is 18m-22m deep. In the range of about 0m-20m, the first layer has a velocity of 507.74 m/s, the second layer has a velocity of 1420.43 m/s and the third layer has a velocity of 2522.30 m/s. In the range of about 20m-80m the first layer has a velocity of 550.12 m/s, the second layer has a velocity of 1575.11 m/s and the third layer has a velocity of 2607.45 m/s. In the range of about 80m-100m, the first layer has a velocity of 482.34 m/s, the second layer has a velocity of 1301.09 m/s and the third layer has a velocity of 2400.86 m/s.
This research done for to find out the effectiveness of cooperative learning helps the media kokamicabi in speaking skills. The purpose of this study was to find the effectiviness of cooperative learning helps media kokamicabi in improving speaking skills. The research method used in this study is the experimental method. Research done, that is (1) cooperative learning model helps the media kokamicabi is effective in improving speaking skills with average pretest 54,4 while the average posttest is 74,4 higher than average ptetest (2)there is a difference in speaking skills by using cooperative learning model helps the media kokamicabi with conventional models. The results of the independent sampels t-test on the posstest value indicate the value of sig. (2-tiled) of 0.00 (p<0.05). The conclusion of this study is the cooperative learning model helps the media kokamicabi can improve speaking skills.
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