A rectangular block of ice 13 m on each side and 1.4 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3.
a) How high does the top of the ice block float above the water level?
b) How many penguins of mass 16 kg each can stand on the ice block before they get their feet wet?