A Ball Is Projected Upward at Time T = 0 $89 \mathrm {~m}$

question 160

Multiple Choice

A ball is projected upward at time t = 0 s,from a point on a flat roof 90 m above the ground.The ball rises and then falls with insignificant air resistance,missing the roof,and strikes the ground.The initial velocity of the ball is 80.5 m/s.Consider all quantities as positive in the upward direction.The vertical velocity of the ball when it is $89 \mathrm {~m}$ above the ground is closest to

• A)-81 m/s.
• B)-64 m/s.
• C)-48 m/s.
• D)-32 m/s.
• E)-97 m/s.

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Definitions:

Inequalities

The unequal distribution or access to resources, opportunities, and rights among different social groups or individuals.

Conflict Theory

A theoretical framework that views society as an arena of inequality that generates conflict and social change, focusing on the struggle between social classes.

Education System

A network of formal institutional structures that aim to provide teaching and learning environments and opportunities.

Inequality

A social condition characterized by unequal distribution of wealth, opportunities, and privileges among individuals or groups.