A 1.8-m-tall diver is standing completely submerged on the bottom of a swimming pool, in 3.0 m of water. You are sitting on the end of the diving board, almost directly over her. Part A How tall does the diver appear to be? Express your answer with the appropriate units. for Pent for Party h' = Value Submit Request Answer do for Part redo foPart A reor Part A keyboard shortcuts for Part A help for Part A Units

Would the critical angle for a glass—water interface be less than, equal to, or greater than the critical angle for a glass—air interface? Siw?

(a) Does your bathroom mirror show you older or younger than your actual age? (b) Compute an order of magnitude estimate for the age difference, based on data you specify?

Lei A = 60.0 cm at 270 measured from the horizontal. Let B = 80.0 cm at some angle . (a) Find the magnitude of A + B as a function of . (b) From the answer to part (a), for what value of does | A + B| take on its maximum value? What is this maximum value? (c) From the answer to pan (a), for what value of does | A + B| take on its minimum value? What is this minimum value? (d) Without reference to the answer to part (a), argue that the answers to each of parts (b) and (c) do or do not make sense.