A 2.5kg cannonball is fired from the top of a 75m cliff at an angle of 30 degrees above the horizontal with an initial speed of 120m/s.
What is the minimum speed of the cannonball?
When does the cannonball hit the ground?
What is it's speed just before it hits the ground?
The Attempt at a Solution
I don't really have an attempt as I am not sure where to start but I would prefer guidance on how to complete the problem instead of just receiving answers.