The pool is 6 meters long and 3 meters wide, and the water in it is filled with water to a height 1.7 m. When John jumped into it and completely submerged, the level had risen by 5.4 mm. How much weight does John when we know that one liter of the human body weighs approximately one kilogram?

Correct answer:

m =  97.2 kg

Step-by-step explanation:

a=6 m dm=6 10  dm=60 dm b=3 m dm=3 10  dm=30 dm c=1.7 m dm=1.7 10  dm=17 dm  h=5.4 mm dm=5.4:100  dm=0.054 dm r=1 kg/l  V=a b h=60 30 0.054=5486=97.2 l 1 l=1 dm3  m=r V=1 97.2=97.2 kg

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