A cannonball is fired out of a cannon at 110 m/s at 30 degrees above horizontal, on level ground.

a.) How long will the cannonball be in the air?

b.) What is the maximum height above the ground it will reach?

c.) How far will the cannonball travel horizontally

Mike is this an actual test question or not? I can't answer this with the data provided. Mass of the shell and amount of powder used as well as air temp, humidity , etc... all have an effect.