Thread 'How to define path if we only know velocity (with out common formulation)?' Hi! I invented the challenge and I try to unravel it: Allow we only know velocity of shifting particle: ##v(t)## from ##t=a## to ##t=b##. The post traces the history of packaging from purely natural products utilized https://gabletoppak.com/kerala-get-ready-to-say-no-to-plastic-from-october-2/