Mark's football is stuck in the tree. He hopes to dislodge it by standing on the small hill and throwing the baseball at it. Use fact that the dropped object falls the distance of 4.9t2 meters in t seconds. Mark throws baseball with the initial vertical velocity of 14.7 m/s from the height of 3m.
i) What maximum height baseball reaches?
ii) If football is 12m above ground, at what time could baseball hit it?