The Only Force Acting on a 2

question 69

Multiple Choice

The only force acting on a 2.0-kg object moving along the x axis is shown. If the velocity v_x is −2.0 m/s at t = 0, what is the velocity at t = 4.0 s?

• A) −2.0 m/s
• B) −4.0 m/s
• C) −3.0 m/s
• D) +1.0 m/s
• E) +5.0 m/s

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Definitions:

Reflexive Modernity

A new period of modernity in which the traditional stability-maintaining structures of class, family, and industrial forms of production have waned, placing greater pressure on people to create their own sense of stability and identity.

Ontological Security

A stable mental state derived from a sense of continuity in one's social and material identities, providing a sense of order in one's life.

Task Time

An organic sense of time in which work is shaped by the demands of the task to be performed. For example, work in a farming community is shaped by the seasons.