simple conix question (1 Viewer)

[rabdog]

consider the position vector thing r = 2sint i + cost j
is it moving clockwise or anti clockwise?

provide working + explanation thanku

 

[Trev]

Questions like that aren't in the Ext. 2 HSC syllabus.
Maybe try the VCE specialist forum where you might get an answer?
http://community.boredofstudies.org/forumdisplay.php?f=417

 

[icycloud]

r(t) = 2sint i + cost j
Motion starts at (0,1) when t = 0
Since sint increases as cost decreases, the particle is moving in a clockwise direction.