Assume That the Deschutes River Has Straight and Parallel Banks

Multiple Choice

Assume that the Deschutes River has straight and parallel banks and that the current is 0.75 m/s.Drifting down the river,you fall out of your boat and immediately grab a piling of the Warm Springs Bridge.You hold on for 40 s and then swim after the boat with a speed relative to the water of 0.95 m/s.The distance of the boat downstream from the bridge when you catch it is

A) 67 m.
B) 90 m.
C) 78 m.
D) 54 m.
E) 120 m.