A Block of Wood Half as Dense as Water Floats

question 53

Multiple Choice

A block of wood half as dense as water floats with half its volume above water.A piece of iron is then tied on top so the wood floats with only 1/4 its volume above the surface.If the wood and iron are turned over so that the iron is submerged beneath the wood,then the volume of wood above the water surface will be

• A)more than 1/4.
• B)less than 1/4.
• C)the same,1/4.
• D)There's no way to say.

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Definitions:

Breathing Process

The physiological process that involves the intake of oxygen and the expulsion of carbon dioxide from the respiratory system.

Circulatory System

The body's system responsible for the movement of blood and lymph, carrying nutrients and oxygen to cells while removing waste products.

Oxygen

A chemical element essential for life, commonly found in the Earth's atmosphere, and a key component of water and organic compounds.

Upper Respiratory System

The part of the respiratory system that includes the nose, nasal passages, pharynx, and larynx, involved in breathing and speech.