$($Acceleration$)$ A fluid flows steadily along the streamline as shown in the figure below. $($a$)$ Determine the acceleration at point A$.($b$)$ At point A what is the angle between the acceleration and the $x$ axis? $($c$)$ At point A what is the angle between the acceleration and the streamline?

${?}^y$

$($a$)a=+$ widehat$(s)f\frac{t}{s^2}$

$($b$)=$ deg

$($c$)=$ deg