OpenStudy (anonymous):

why can't anyone answers this!!!!???: A ship is first seen on a radar screen to be 5 km east of the radar site. Some time later, the ship is at 17 km northwest. What is the displacement of the ship from the first location it is seen at?

OpenStudy (anonymous):

That's a maths question...

OpenStudy (anonymous):

|dw:1351041019372:dw|

OpenStudy (anonymous):

A solution using Mathematica 8 Home Edition for the calculations is attached.