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Archive/ Physics

How Much of It Sinks?

Physics / Difficulty Tier 2, Relation. Requires a few ideas, quantities or steps to be connected.
About Tier 2 - Relation

Requires a few ideas, quantities or steps to be connected.

Difficulty describes the challenge, not the solver. It is a Society guide rather than a formal academic level.

The tier is a Society guide to the amount of reasoning, technical work and insight a problem is expected to require. Your experience may vary depending on the topic and your background.

How Much of It Sinks?

Fluids / Floating Equilibrium - 5 min

A uniform rigid object of density 600 kg m−3600\,\mathrm{kg\,m^{-3}} floats at rest, freely supported by water of density 1000 kg m−31000\,\mathrm{kg\,m^{-3}}. Ignore air buoyancy and surface tension. What fraction of the object's total volume lies below the water surface?

Assumptions

The uniform object is rigid and does not absorb water. Ignore air buoyancy and surface tension. Water density and gravity are uniform; the object is not supported by a container or another object.

Enter your answer as a fraction or decimal between 0 and 1, without a unit or percentage sign.

Exact value required.

More Options for How Much of It Sinks?

Collection question · Revision 1 · ID: floating-volume-fraction