PT 1
A runners jog in a straight line at a steady VR =3.5 km/hr when the runner is L equals 3.1 km from the finish line a bird begins flying straight from the runner to the finish line at VB= 17.5/HR ( five times as fast as the runner) When the bird which is a Finish Line it turns around and find directly back to the runner what cumulative distance does the bird travel even though the bird is a dodo assume that it occupies the one point and spaced 80 link bird travels in a straight line and that it can share without loss of speed