1) During a baseball game, a batter hits a pop-up to a fielder 76 m away.
The acceleration of gravity is 9:8 m=s2 :
If the ball remains in the air for 5.4 s, how
high does it rise? Answer in units of m.

2) During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 1.12 km/s at an initial inclination of 51.4degrees to the horizontal. The acceleration of gravity is 9.8 m/s2 :
How far away did the shell hit? Answer in
units of km.

3) How long was it in the air? Answer in units
of s.

Thanks!
I need to submit my answer within the hour!