Posted by Michelle on .
position function is x(t)=(t1)^3 (2t3)
how do you find the velocity of the particle at nay time when t is greater or equal to 0?
i got the derivative equation (6t9)(t1)^2 + 2(t1)^3
but that is for all t.

Calculus 
drwls,
Your formula is correct. All you have to do is apply if for positive t only.