Bob heads out into a lake at an angle of 41◦

with respect to the shore.
If his boat is capable of a speed of 1.3 m/s,
how far from land will he be in 4 min and
38 s ?
Answer in units of m.

4'38" = 278s

So it has gone 278*1.3 = 361.4m
x/361.4 = sin41°