He can land anywhere he wants between A and B.
If you want to find the path of least time, however, you need to minimize
√(x^2+12^2)/4 + (16-x)/8
where he lands x km from point A.
A man in rowboat 12km from the nearest point A. On a straight shore wishes to reach point B 16km from A along shore.where should he land if he can row 4km/hr and walks 8km/hr.
1 answer