A Styrofoam Sphere of Radius R Has a Density ρ $\sqrt { 8 }$

question 34

Multiple Choice

A styrofoam sphere of radius R has a density ρ. You now carefully compress the sphere so its radius is R/2. What is the density of the compressed sphere?

• A) 2 ρ
• B) 4 ρ
• C) ρ \(\sqrt { 8 }\)
• D) ρ \(\sqrt { 2 }\)
• E) 8 ρ

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Definitions:

Discoidal

Pertaining to a disc-like shape; often used to describe the shape of certain blood cells, notably red blood cells, or other structures.

Vertebrae

refer to the individual bones that stack to form the vertebral column, or spine, providing structural support and protecting the spinal cord.

Medial Condyles

Rounded protrusions found at the distal end of the femur or tibia, involved in forming the knee joint and aiding in its movements.

Lateral Condyles

Rounded prominences at the end of some bones, near the knee and elbow, that form part of the joint.