A Thin-Walled Hollow Tube Rolls Without Sliding Along the Floor

question 2

Multiple Choice

A thin-walled hollow tube rolls without sliding along the floor.The ratio of its translational kinetic energy to its rotational kinetic energy (about an axis through its center of mass) is:

• A)1
• B)2
• C)3
• D)1/2
• E)1/3

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Definitions:

Cartilage

Connective tissue that consists of cells surrounded by a rubbery matrix.

Spongy Bone Tissue

A type of bone tissue found at the ends of bones and in the interior of vertebrae, characterized by a porous, honeycomb structure that is lighter and less dense than compact bone.

Red Bone Marrow

The soft, spongy tissue inside bones that produces blood cells.

Hydrostatic Skeleton

Of soft-bodied invertebrates, a fluid-filled chamber that contractile cells exert force on.