A Stationary Firecracker Explodes, Breaking into Two Parts of Equal

question 69

Multiple Choice

A stationary firecracker explodes, breaking into two parts of equal mass. One part is moving north at 20 m/s. The velocity of the other part is

• A) 20 m/s with a direction that's impossible to predict without more information.
• B) also northward at 20 m/s.
• C) zero.
• D) southward at 20 m/s.
• E) impossible to predict without more information.

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Definitions:

Environmental Hazards

Potential sources of danger to people's health or well-being arising from the environment, including chemical, biological, and physical threats.

Poor Neighborhoods

Areas characterized by low household incomes, often accompanied by higher rates of crime, reduced access to services, and lower quality of life.

Ethnicity

refers to shared cultural practices, perspectives, and distinctions that set apart one group of people from another, including language, heritage, and customs.

Health

A state of complete physical, mental, and social well-being, and not merely the absence of disease or infirmity.