Two Helium-Filled Balloons Are Released Simultaneously at Points a and B

question 54

Multiple Choice

Two helium-filled balloons are released simultaneously at points A and B on the x axis in an earth-based reference frame.Which one of the following statements is true for an observer moving in the +x direction?

• A)The observer always sees the balloons released simultaneously.
• B)The observer could see either balloon released first depending on her speed and the distance between A and B.
• C)The observer sees balloon A released before balloon B.
• D)The observer sees balloon B released before balloon A.
• E)The observer cannot determine whether they were released separately or simultaneously.

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Definitions:

Water Vascular System

A unique hydraulic system used by echinoderms, such as starfish, for locomotion, food and water transportation, and respiration.

Exoskeleton

A rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection.

Bony Tissue

Hard tissue that makes up the skeletal bones in vertebrates, providing support, protection, and enabling mobility.

Echinodermata

A phylum of marine animals characterized by radial symmetry, a water vascular system, and typically a spiny skin.