A truck loaded with cannonball watermelons stops suddenly to avoid running over the edge of a washed-out

Question:

A truck loaded with cannonball watermelons stops suddenly to avoid running over the edge of a washed-out bridge (Fig. P4.64). The quick stop causes a number of melons to fly off the truck. One melon rolls over the edge with an initial speed vi =10.0 m/s in the horizontal direction. A cross-section of the bank has the shape of the bottom half of a parabola with its vertex at the edge of the road, and with the equation y2 " 16x, where x and y are measured in meters. What are the x and y coordinates of the melon when it splatters on the bank?

A truck loaded with cannonball watermelons stops suddenly to