Two Air Track Carts Move Along an Air Track Towards

question 49

Multiple Choice

Two air track carts move along an air track towards each other. Cart A has a mass of 450 g and moves toward the right with a speed of 0.850 m/s and air track cart B has a mass of 300 g and moves toward the left with a speed of 1.12 m/s. What is the total momentum of the system?

• A) 0.047 kg∙m/s toward the right
• B) 0.719 kg∙m/s toward the right
• C) 0.719 kg∙m/s toward the left
• D) 0.750 kg∙m/s toward the right
• E) 0.750 kg∙m/s toward the left

---

Definitions:

Infant Demands

The needs and desires expressed by a baby, such as for food, comfort, and attention, which require response from caregivers.

Initiation Rites

Are rituals that signify transition from one group to another and ensure loyalty to the new group.

Total Institutions

Places where people are separated from the rest of society and have their lives controlled and regulated by the administrative staff, such as prisons, hospitals, or military barracks.

Resocialization

The process by which individuals learn new norms, values, attitudes, and behaviors, replacing those from their previous roles or environments.