The topic of these questions is Kinematics: Motion in Two & Three Dimensions. Also, please label the answers please.

1. The position of a particle for t > O is given by m) = ((3.512)? + (6.6 :3}? + {5.4 W} E] m. (a) What is the velocity as a function of time I? reJ4 an we (b) What is the acceleration as a function oftime 't'? em = +l EH W3 2 8 (c) What is the particle's velocity att = 2.1 s? we s:=777