Use model H(t)=-4.9t2+vt+h, where H is in meters and t is in seconds and with initial velocity of v meters/second. This model applies to object moving through air with the initial velocity and under force of gravity.
Hawk dives toward the snake. When hawk is at the height of 60 meters, snake sees hawk, that is diving at 30 meters/second. Approximately how much time does snake have to escape?