Question

An airplane wants to drop a load of fish inot a small lake in the mountains. The plane is flying at its min speed 40 m/s, and is 50 meters above the surface of the lake.
a.) Where relative to the lake should the plane be when the fish are dropped so that they land in the middle of the lake?
b.) How fast are the fish going when they reach the lake?
c.) At what angle do they hit the water?