The trick is to set h=0 as 1.06 m below the surface. This means the original h is 3.96.
Now mgh = Fd where d is the depth of the water.
A 68.2 kg person jumps from rest off a 2.90 m-high tower straight down into the water. Neglect air resistance during the descent. She comes to rest 1.06 m under the surface of the water. Determine the magnitude of the average force that the water exerts on the diver. This force is nonconservative.
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