c. Arlo sees a large pickle fly straight up in the air. Calculate how long it would take for the pickle to go up and then come back down. Recall: 100 feet = 30.8 meters. (2 pt)

d. How fast did the policeman have to throw the pickle in order to get it to go that high? (2 pt)

my teacher said these are at and angle and to be solved using projectile motion/ equations of motion. do you know which they might be?