A Balloon Is Released from a Tall Building

question 2

Multiple Choice

A balloon is released from a tall building. The total mass of the balloon including the enclosed gas is 2.0 kg. Its volume is 5.0 m³. The density of air is 1.3 kg/m³.
-What is the average density of the balloon?

• A)0.2 kg/m³
• B)0.4 kg/m³
• C)0.8 kg/m³
• D)1.0 kg/m³
• E)1.2 kg/m³

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Definitions:

Vertebral Foramen

The central opening in each vertebra through which the spinal cord passes, providing canal-like protection.

Nucleus Pulposus

Soft central portion of the intervertebral disk.

Herniated Disc

A condition where the soft center of a spinal disc pushes through a crack in the tougher exterior casing, often leading to pain and nerve irritation.

Lateral Curvature

Often referred to as scoliosis, it is the abnormal sideways curve of the spine when viewed from the front or back.