A 2,000 Kg Car Is Traveling at 40

question 72

Multiple Choice

A 2,000 kg car is traveling at 40.0 m/s and then puts on the brakes and comes to a complete stop. The heat generated at the brakes due to stopping heats up the brakes. The mass of the brake system is 20.0 kg and it has a specific heat of 0.200 kcal/kg °C. What is the increase in the temperature of the brakes?

• A) 66.6 °C
• B) 75.4 °C
• C) 87.5 °C
• D) 95.6 °C
• E) 117 °C

Recognize the importance and benefits of employing older workers in the workforce.

Understand the concept of dual-career partnership and strategies to manage its challenges.

Evaluate the benefits of realistic job previews for both the organization and job candidates.

Recognize the significance of experienced workers as mentors within organizations.

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Definitions:

Underground Railroad

A network of secret routes and safe houses established in the United States during the early to mid-19th century, used by African-American slaves to escape into free states and Canada with the aid of abolitionists.

Paternalism

The policy or practice on the part of people in positions of authority of restricting the freedom and responsibilities of those subordinate to or dependent upon them, supposedly for the latter’s own good.

Task System

A labor system predominantly used in the rice and indigo plantations of the American South, where enslaved people were assigned specific tasks to complete each day, after which they had some personal time.

Historical Significance

The importance assigned to a past event, character, or invention, reflecting its impact on history and its influence on future developments or attitudes.