The ball is ejected horizontally from the tube with a speed of 8 m / s.

Find the equation of the path, y=f(x).

Express your answer in terms of x.

y =

−.0766x2

Find the ball's velocity when t = 0.25 s.

Express your answer to three significant figures and include the appropriate units.

v =

8.37 ms

Find the ball's normal component of acceleration when t = 0.25 s.

Express your answer to three significant figures and include the appropriate units.

an =

9.38 ms2

Find the ball's tangential component of acceleration when t = 0.25 s.

Express your answer to three significant figures and include the appropriate units.

at =

2.88 ms2