[填空题]
A golf buggy drives in a strals r,m1f)o6z*- dfog jk- z;2g5i,p7 nf*un,s gk rzku)c5dd tight path on a wide fairway. The buggy's path is give*gddpzsu52 zu ,n)75kk k ;n,tfrig -cn by the parametric equations x=2t+11 and y=3t−5, where t is the drive time in seconds (t≥0) and distances are measured in meters.
1.(1)Write down the initial position of the buggy.(a,b) a= b=
(2)Find the position of the buggy after 30 seconds.B(a,b) a= b=
2.(1)Write down the velocity vector of the buggy.$\begin{pmatrix}
a \\
b
\end{pmatrix}$ a = b =
(2)Find the speed of the buggy. ≈ $ms^{-1}$
