The Student Room Group

Reply 1

Using the direction of motion or rule addition or substraction of vectors.
It needs a little bit of geometry.
Hope you will be fine with that.
AvB = vA - vV

Reply 2

here's my problem i know the eq but wen it comes to questions i just cant solve them.... i just dont get...i really tried ... thanx but a little more explaining would be real good... with the whole geometry thing . not my strong point!!! have a mock on mon