Thread 'How To define path if we only know velocity (without having popular formulation)?' Hi! I invented the challenge and I try to unravel it: Let we only know velocity of moving particle: ##v(t)## from ##t=a## to ##t=b##. (Sporting activities) To block (a competitor or opponent) from advancing, Particularly to https://gabletoppak.com/why-i-switched-to-water-in-a-sustainable-box/