Answer:
The diver lands on water after 3 seconds.
Step-by-step explanation:
Given that the diver stands on a platform 15 ft above a lake.
As shown on the graph, at x=0, height h equals 15 ft.
The diver lands on water at h equals zero.
The time at h=0 is x=3 seconds.
Therefore, the time taken for the diver to land in water is;