You are watching your friend play hockey. In the course of the game, he strikes the puck in such a way that, when it is at its highest point, it just clears the surrounding 2.70 m high Plexiglas wall that is 12.9 m away.

a)Find the vertical component of its initial velocity.
b) Find the time it takes to reach the wall.
c)Find the horizontal component of its initial velocity, and its initial speed and angle.