Thread 'How To define route if we only know velocity (without frequent formulas)?' Hello! I invented the situation And that i try out to unravel it: Permit we only know velocity of transferring particle: ##v(t)## from ##t=a## to ##t=b##. The lifetime of a roof depends upon how perfectly it has https://gabletoppak.com/sustainability-in-action-gable-top-cartons-to-save-our-oceans/