When You Throw a Pebble Straight Up with Initial Speed

question 32

Multiple Choice

When you throw a pebble straight up with initial speed V,it reaches a maximum height H with no air resistance.At what speed should you throw it up vertically so it will go twice as high?

• A)16V
• B)8V
• C)4V
• D)2V
• E) V

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Definitions:

South Vietnamese

South Vietnamese refers to the people, culture, and former government of South Vietnam, known officially as the Republic of Vietnam, a country that existed from 1955 to 1975, during the Vietnam War era.

Paris Peace Accords

Agreements signed in 1973 to establish peace in Vietnam and end the Vietnam War, involving the US, North Vietnam, South Vietnam, and the Viet Cong.

American Participation

The involvement of the United States in international or domestic events, ranging from wars to political movements.

Vietnam War

A prolonged conflict from the 1950s to the 1975 between North Vietnam (supported by its communist allies) and South Vietnam (supported by the United States and other anti-communist countries), resulting in significant political and social upheaval.