Two Objects of Equal Mass Collide on a Horizontal Frictionless

question 22

Multiple Choice

Two objects of equal mass collide on a horizontal frictionless surface. Before the collision, object A is at rest while object B has a constant velocity of 12 m/s. After the collision, the two objects are stuck together. What is the speed of the composite body (A +B) after the collision?

• A)3.0 m/s
• B)6.0 m/s
• C)12 m/s
• D)24 m/s
• E)36 m/s

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Definitions:

Inventories

Stocks of goods and materials that a business holds for the purpose of resale or incorporation into their product.

Job-Order Costing

A cost accounting system that assigns manufacturing costs to an individual product or batch of products, making the cost tracking process more manageable.

Unadjusted Cost Of Goods Sold

The initial recording of all costs associated with the goods sold by a company before any adjustments for returns, allowances, or discounts.

Job-Order Costing

An accounting method used to track costs and evaluate the profitability of individual jobs or batches.