A 20-Kg Projectile Is Fired with Initial Velocity Components Vox =

question 38

Multiple Choice

A 2.0-kg projectile is fired with initial velocity components vox = 30 m/s and voy = 40 m/s from a point on the earth's surface. Neglect any effects due to air resistance.
-How much work was done in firing the projectile?

• A)900 J
• B)1600 J
• C)2500 J
• D)4900 J
• E)9800 J

---

Definitions:

Symbolic Interactionism

A theoretical framework in sociology that focuses on the ways individuals interpret and give meaning to social interactions, emphasizing the role of symbols and language.

Social Loafing

The phenomenon where individuals exert less effort to achieve a goal when they work in a group than when they work alone.

Group Efficiency

Refers to the effectiveness with which a group is able to achieve its objectives, often measured by the outputs or outcomes produced by the collective efforts of its members.

Rationalization

The application of economic logic to human activity; the use of formal rules and regulations in order to maximize efficiency without consideration of subjective or individual concerns.