A 55.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1480 N. If the diver comes to rest 5.6 m below the water's surface, what is the total distance between the diving board and the diver's stopping point underwater?

Answer 1

The energy the diver had when hitting the water has to equal the upward force and distance in the water.

mgh=force*distance
h= force*distance/mg=1480*5.6/(55*9.8) meters.