Learn how to calculate the speed of a mass in a circular pendulum with this clear physics tutorial! Step-by-step explanations make it easy to understand circular motion, energy, and angular velocity.

Abstract: Three-dimensional packing problems are important optimization problems with practical applications in various fields including manufacturing, logistics, and transportation. In this study, we ...

Practice projectile motion with fully solved physics problem examples. This video walks through step-by-step solutions to help you understand equations, motion components, and problem-solving ...

By Jessica Coria A circular economy is one in which products do not end up as waste but are instead repaired, reused, or transformed into new materials. This stands in contrast to the linear economy ...

Cheng, R. , Liu, J. , Hao, L. and Wu, D. (2026) On the Application of the Infinitesimal Method to Two Categories of Problems in College Physics. Open Journal of Social Sciences, 14, 378-389. doi: ...