2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/96135We comment about the general argument given to obtain the rocket equation as it is exposed in standard textbooks. In our opinion, it can induce students to a wrong answer when solving variable mass problems.2 pagesPhysics EducationClassical PhysicsSome Remarks about Variable Mass Systemstext