A Ball Is Projected Upward at Time T = 0

question 7

Multiple Choice

A ball is projected upward at time t = 0.0 s,from a point on a roof 90 m above the ground.The ball rises,then falls and strikes the ground.The initial velocity of the ball is if air resistance is negligible.The time when the ball strikes the ground is closest to

• A) 9.4 s.
• B) 9.0 s.
• C) 8.7 s.
• D) 9.7 s.
• E) 10 s.

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Definitions:

Psychologically Weak

A condition or state of lacking mental strength or resilience, which can affect an individual's ability to cope with stress or adversity.

Violent

Characterized by the use of physical force to injure, damage, or destroy.

External Restraint Theory

The theory that external factors such as laws, social controls, and cultural norms act to prevent individuals from engaging in deviant or antisocial behavior.

Socialization

The process by which individuals learn and adopt the norms, values, behaviors, and social skills appropriate to their society or culture.