How can I solve this qustion You are part of a citizen\'s group evaluating the s

Question

How can I solve this qustion

You are part of a citizen's group evaluating the safety of a high school athletic program. To help judge the diving program you would like to know how fast a diver his the water in the most complicated dive, The coach has his best diver perform for your group. The after jumping from the high board, moves through the air with a constant acceleration of 9.8 m/s2 . Later in the dive, she passes near a lower diving board which is 4.0 m above the water. With your trusty stop watch, you determine that it took 0.20 seconds to enter the water from the time the diver passed the lower board. How fast was she going when she hit the water?

Explanation / Answer

spped = distane /time = 4/0.2=20 m/zec

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