 #1
Camden
 15
 2
 Homework Statement:

In a Castle a cannon is in place to fire at ships.
One ship was hit by a cannonball at a horizontal distance of 150 metres from the cannon.
The height from the cannon above the castle was 67 metres
I need to show the time that was taken from the cannonball to hit the ship.
My attempt is in the attached photo
The answer is 3.7s but I’m not sure how to get to the answer.
 Relevant Equations:

Suvat equations
Trigonometry equations
Everything is in the photo