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: ...

A big part of physics is understanding collisions and how they're not all the same. COLLISIONS! A big part of physics is understanding collisions and how they're not all the same. Mass, momentum, and ...