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September 2, 2014

Homework Help: physics (last problem)help

Posted by RUdi on Friday, September 3, 2010 at 2:56pm.

On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 5.40 m from your sailboat. When you are 3.10 m below the surface, the top of the sailboat mast appears to you to be in a direction 40.0░ from vertical. Calculate the height of the mast

part two
From your point of view, the entire sky appears to be confined to a bright disk directly above you on the surface of the water. Determine the diameter of this circle.

I draw a picture and i can use snell law but i am stuck at the trig part. Or my drawing is wrong help

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