Rising Sea Level Marjory Duffin recently purchased a beachfront condominium in New York and is now in a panic, having just seen some disturbing figures about rising sea levels (sea levels as measured in New York relative to the 1900 level). Year Since 1900 0 25 50 75 100 125 Sea Level (mm) 0 60 140 240 310 390 a. What was the average rate of increase of the sea level over this entire period? b. During which 25-year interval(s) did the rate of increase of the sea level exceed the average rate? c. Marjory Duffin’s condominium is about 2 meters above sea level. Using the average rate of change from part (a), estimate how long she has before the sea rises to her condominium.
Solution Summary: The author calculates the average rate of increase of sea level in New York over the whole period with the help of the table provided.
Rising Sea Level Marjory Duffin recently purchased a beachfront condominium in New York and is now in a panic, having just seen some disturbing figures about rising sea levels (sea levels as measured in New York relative to the 1900 level).
Year Since 1900
0
25
50
75
100
125
Sea Level (mm)
0
60
140
240
310
390
a. What was the average rate of increase of the sea level over this entire period?
b. During which 25-year interval(s) did the rate of increase of the sea level exceed the average rate?
c. Marjory Duffin’s condominium is about 2 meters above sea level. Using the average rate of change from part (a), estimate how long she has before the sea rises to her condominium.
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