6.  For the system below, point A is fixed to the rope. At the instant shown, the relative velocity of block B with respect to point A, v81A' is directed at an angle below the usual positive x -axis (i.e. ~). At this ~aJ e instalJ.t, the speed of B is 2 mis, and point A is slowing at a rate 3 m/s2. I~~ ':Af-t ~I~ J Ii (' I 0 I "gvi!l I dJ At the instant shown, answer the following. For parts b)-d), express all answers as a magnitude and clearly-indicated directions. a) Does B move up or down? of ~. · f! 1-
" l B
b) Determine v A and ~onstra'O\Bd VB'