S Sp!ffy. New member Feb 27, 2011 #1 v(t)=-(t-1)sin(t^2/2) Find all times t in the open interval 0 < t < 3 when the particle changes direction Pleeeease no vague answers. I need help with calculations too.
v(t)=-(t-1)sin(t^2/2) Find all times t in the open interval 0 < t < 3 when the particle changes direction Pleeeease no vague answers. I need help with calculations too.
