Thread 'How to find route if we only know velocity (without common formulation)?' Hello there! I invented the condition And that i consider to solve it: Let we only know velocity of going particle: ##v(t)## from ##t=a## to ##t=b##. The dimensions of the box could vary, with the really smallest https://gabletoppak.com/why-gable-top-cartons-are-making-a-splash-in-the-water-industry/