An object is moving with constant speed in a straight line relative to O. the objects initial and final position vectors are respectively: u = i + 2j + 3k, v = 2i + j -4k, Find expression for q the position vector of the object when it has travelled a distance of x.

Question

An object is moving with constant speed in a straight line relative to O. the objects initial and final position vectors are respectively: u = i + 2j + 3k, v = 2i + j -4k, Find expression for q the position vector of the object when it has travelled a  distance of x.

anonymous · Answer

Ok, so I am having a bit of trouble with this one.

anonymous · Answer

is the diagram clear? |dw:1331119632568:dw|

anonymous · Answer

do you knwo how to take vector UV?

anonymous · Answer

Yes -u + v

anonymous · Answer

|dw:1331119715424:dw|