swimmer is treading in water (with her head above the water ) at the surface of the pool 3 m deep . she sees a coin on the bottom directly below . How deep does the coin appear to be(lf the swimmer is see directly above the coin)

swimmer is treading in water (with her head above the water ) at the surface of the pool 3 m deep . she sees a coin on the bottom directly below . How deep does the coin appear to be(lf the swimmer is see directly above the coin)

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