A Solid Wooden Door,90 Cm Wide by 2

question 56

Multiple Choice

A solid wooden door,90 cm wide by 2.0 m tall,has a mass of 35 kg.It is open and at rest.A small 500-g ball is thrown perpendicular to the door with a speed of 20 m/s and hits the door 60 cm from the hinged side,causing it to begin turning.The ball rebounds along the same line with a speed of 16.0 m/s relative to the ground.How much energy is lost during this collision?

• A)30 J
• B)16 J
• C)15 J
• D)13 J
• E)4.8 J

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Definitions:

Labor Migration

The movement of workers from one region or country to another in order to find employment or pursue better economic opportunities.

Migrant Workers

Individuals who move from one region or country to another to seek employment opportunities, often in temporary or seasonal jobs.

Labor Migration

the movement of people from one area to another for the purpose of employment.

Implicit Cost

The opportunity cost associated with a firm's use of resources that it owns, measured by the income the firm foregoes by utilizing these resources in-house rather than engaging them elsewhere for profit.