1. Tardigrade
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  3. Physics
  4. A block of wood has a mass of 25 g. When a 5 g metal piece with a volume of 2 cm 3 is attached to the bottom of the block, the wood barely floats in water. What is the volume (. in .cm 3) of the wood?

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Q. A block of wood has a mass of $25\, g$. When a $5\, g$ metal piece with a volume of $2 \,cm ^{3}$ is attached to the bottom of the block, the wood barely floats in water. What is the volume $\left(\right.$ in $\left.cm ^{3}\right)$ of the wood?

Mechanical Properties of Fluids

Solution:

$(V+2) \rho g=(25+5) g$
$\because \rho=1 \,g / cm ^{3}$
$\therefore V=28\, cm ^{3}$