Hi there, so to get 0.56 m/s, I determined that since the swimmer travels 0.75 m/s, he would travel 72m in 96s. From there, I divided the length of the river, (54m) by 96s to get a speed of 0.56m/s.
Homework Statement
A swimmer who achieves a speed of of 0.75 m/s in still water swims directly across a river 72m wide. The swimmer lands on the far shore at a position 54m downstream from the starting point. Determine the direction the swimmer would have the aim to land directly across from...