a. Tan A = 4.24/9.47 = 0.44773
A = 24.1o From straight.
A swimmer can swim in still water at a speed
of 9.47 m/s. He intends to swim directly
across a river that has a downstream current
of 4.24 m/s.
a) How many degrees from straight across
the river should he head? Let upstream be a
positive angle.
Answer in units of ◦
1 answer
3 answers