[填空题]
A camel walks in a straight linl don07m ir/.fe on flat grassland. The came gulr9 x2o+ i 8y9wm/w)z0 batou5v8jel's path is given by the parametric equations x=3 t-2 and y=1+4 t , where 9wxt 0 vbi/oe289)o8mgrzl jy5w+uua t is the walk time, in hours, t \geq 0 . Distances are measured 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. $kmh^{-1}$
