Above are data about the actual ocean and a cuboid “ocean” with a square top mea

Question

Above are data about the actual ocean and a cuboid “ocean” with a square top measuring 1.9 x 10^7 meters (length and width) and a depth of 3,700 meters. Use these data to answer the following:

a) What is the surface area of the top face of the cuboid in square meters? (Use scientific notation and keep 3 significant figures, eg. 1.00E10)

b) What is the volume of the cuboid in cubic meters? (Use scientific notation and keep 3 significant figures, eg. 1.00E10)

c) The rate of thermal expansion for 33 permil seawater is 0.00019/C . hints: Use this factor and the volume of the cuboid (problem b) to determine the added volume caused by a 1C ocean warming in cubic meters, volume * 0.00019/C * 1 C. (Use scientific notation and keep 3 significant figures, eg. 1.00E10)

d) What fraction of the ice sheets (wrt total amount of ice sheets) would need to melt to result in a 1 meter sea level rise? hints: You get the amount of sea level rise (in meters) from melting the whole ice burg (let's say 1 unit of ice burg) is 1.6% of the depth so 59, so if the sea level rise is 1 meter, how many units of ice burg is melted? (Use scientific notation and keep 2 significant figures, eg. 1.0E10)

Explanation / Answer

ans a) . the surface area of top of square = (1.9*107)*(1.9*107)= 3.61*1014 m2

ans b)) volume of cuboid = L*B*H= (1.9*107)*(1.9*107)*3700=133.57*1016= 1.33*1018 m3

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