A man sails with his boat starting (x) kilometer away from the main station due north. After 3 km of sailing, he follows an arc path. When he is somewhere in between North and the West Point at P(4,yp), the engine suddenly stops. With the help of his navigational tool, he realized that he is 13.86 kilometer away from the point where he started following the arc path. How far is he from the point he started following the Arc path? starting point ?main station?

Question

A man sails with his boat starting (x) kilometer away from the main station due north. After 3 km of sailing, he follows an arc path. When he is somewhere in between North and the West Point at P(4,yp),  the engine suddenly stops. With the help of his navigational tool, he realized that he is 13.86 kilometer away from the point where he started following the arc path.  How far is he from the point he started following the Arc path? starting point ?main station?

Steve · Answer

I have no idea what you mean by somewhere in between North and the West Point and is "yp" supposed to mean something like y_{_p}?

Angel · Answer

I dont know either. The problem was given by our teacher. And yes, it is supposes to be y subscript p. Thank you.

Angel · Answer

*supposed I mean