Thread 'How to define path if we only know velocity (with no typical formulas)?' Hello! I invented the challenge and I attempt to unravel it: Permit we only know velocity of transferring particle: ##v(t)## from ##t=a## to ##t=b##. The life of a roof is determined by how effectively it has https://gabletoppak.com/kerala-get-ready-to-say-no-to-plastic-from-october-2/