A 30-Kg and a 2

question 72

Multiple Choice

A 3.0-kg and a 2.0-kg cart approach each other on a horizontal air track. They collide and stick together. After the collision their total kinetic energy is 40 J. The speed of their center of mass is:

• A) zero
• B) 2.8 m/s
• C) 4.0 m/s
• D) 5.2 m/s
• E) 6.3 m/s

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Definitions:

Specific Job

A particular task or project within a business that requires specific skills or expertise, often related to job costing in accounting.

Predetermined Overhead Rate

A rate used to allocate manufacturing overhead costs to products, calculated by dividing estimated overhead costs by an allocation base, such as direct labor hours.

Estimated Annual Overhead Costs

An approximation of the indirect costs that a business expects to incur over a year in its operations.

Expected Annual Operating Activity

The projected level of operations, including production and sales, anticipated for a company over a year.