[填空题]
A golf buggy drives in a straight path on a ws k*5y9l7khgmnkg5 4lhyg(x1+8zihrpmaixofvvrlv- 9h4+- d8 k+i,( a9 tzcide fairway. The buggy's path is given by the parametric equations x=2t+11 and y=3t+,tocpm (zr vx9- kvvli+h8-ada 4if9−5, 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. ≈ $ms^{-1}$
