A Bullet Shot Straight Up Returns to Its Starting Point

question 133

Multiple Choice

A bullet shot straight up returns to its starting point in 10 s. What is the initial speed of the bullet, assuming negligible air resistance?

• A) 25 m/s
• B) 49 m/s
• C) 9.8 m/s
• D) 98 m/s

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Definitions:

Secondary Prevention

Efforts to detect and treat existing diseases early in their course, aiming to prevent or mitigate complications and disabilities.

Alameda County Study

A longitudinal study that investigated the link between lifestyle, health habits, and mortality among adults in Alameda County, California.

Mortality

The state of being mortal or the incidence of death within a population.

Life Expectancy

The average number of years an individual is expected to live, based on statistical averages for a particular population or demographic.