The purpose of this study is to determine the development of an e-module on the material of particle motion dynamics for 11th grade students and to assess the feasibility of the e-module on the material of particle motion dynamics for 11th grade students. This research is developmental research using the Research and Development R&D procedure according to Borg and Gall. The instruments used in developing the e-module are validation instruments and e-module comprehensibility instruments. The validation results of the e-module from the content feasibility aspect obtained an average score of 3.54 (very valid), the media feasibility aspect 3.57 (very valid), and the language feasibility aspect 3.68 (very valid), with a reliability level above 80%. The resulting e-module is easy for students to understand. This is evident from the e-module's comprehensibility test, which had an average score of 87.6%, placing it in the high category. The research results show that the e-module on particle motion dynamics for 11th-grade students that was developed is categorized as very feasible to use. The average feasibility percentage for the e-module is 91%, placing it in the very feasible category.
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