posted by Anonymous .
A 56 kg swimmer jumps off a 15 m tower. Find the swimmer's velocity when hitting the water. The swimmer comes to a stop 2 m below the surface. Find the net force exerted by the water.
In the air:
Vi=0, d=15m, a=9.8m/s^2, vf=?
vf=17.15m/s --> speed when hitting the water
Now for the water part: