Water block

A block with a 50 cm2 base is filled with water 5 cm under the edge. How many can sugar cubes with 2 cm edge be thrown into a container that overflow water?

Correct result:

n =  31

Solution:

S=50 cm2 h=5 cm V=S h=50 5=250 cm2  a=2 cm V1=a3=23=8 cm3 n1=V/V1=250/8=1254=31.25 n=n1=31.25=31



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