[填空题]
A camel walks in a straight liwxo6lt+ew wpc(ry1 2br ki1-9ne on flate;2-oyv -l+h n ro(wc hl9 uy,dhn0e6m grassland. The camel's path is given by the parametric equations x=3 t-2 and y=1+4 t , where t is the walk time, in hours, t \geq 0 . Distances are measured uyml,r+d-e 2 o-6h;l 0yownehhc(nv9 in kilometres.
1. (1)Write down the initial position of the camel.(a,b) a= b=
(2)Find the position of the camel after 2 hours. B (a,b) a= b=
2. (1) Write down the velocity vector of the camel.$\begin{pmatrix}
a \\
b
\end{pmatrix}$ a = b =
(2)Find the speed of the camel. $kmh^{-1}$
