일반물리학 1 — Motion in Two and Three Dimensions: Problem 50

50 Two seconds after being projected from ground level, a projectile is displaced 40 m horizontally and 58 m vertically above its launch point. What are the (a) horizontal and (b) vertical components of the initial velocity of the projectile? (c) At the instant the projectile achieves its maximum height above ground level, how far is it displaced horizontally from the launch point?