Physics
posted by Sara .
One cm of a 10cmlong rod is made of metal, and the rest is wood. The metal has a density of 5000 kg/m3 and the wood has a density of 500 kg/m3. When the rod is set into pure water, the metal part points downward. How much of the rod is underwater?

Physics 
Sara
I got it
the answer is 9.5 cm underwater
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