To a person swimming 0.775m beneath the surface of the water in a swimming pool,

Question

To a person swimming 0.775m beneath the surface of the water in a swimming pool, the diving board directly overhead appears to be a height of 5.25m above the swimmer.

Part A

What is the actual height of the diving board above the surface of the water?

To a person swimming 0.775m beneath the surface of the water in a swimming pool, the diving board directly overhead appears to be a height of 5.25m above the swimmer.

Part A

What is the actual height of the diving board above the surface of the water?

Explanation / Answer

-1.33/(5.25-0.775)+1/Sb=0

1/Sb=1.33/4.475=0.29

Sb=3.36

The diving board is actually 3.36m from the water.

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