Two Life Preservers Have Identical Volumes,one Filled with Styrofoam and the Other

question 50

Multiple Choice

Two life preservers have identical volumes,one filled with Styrofoam and the other filled with sand.When both are fully submerged,the buoyant force is greater on the one filled with

• A)Styrofoam.
• B)sand.
• C)same on each if volumes remain the same.

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how spread out the values are from the mean.

Inspiratory Reserve Volume (IRV)

The additional amount of air that can be inhaled after a normal inhalation, increasing lung volume beyond the tidal volume.

Expiratory Reserve Volume (ERV)

The additional amount of air that can be forcibly exhaled after a normal exhalation.

Functional Residual Capacity (FRC)

The volume of air remaining in the lungs after a normal, passive exhalation, critical for gas exchange between breaths.