A Man Lifts a 20

question 44

Multiple Choice

A man lifts a 20.0-kg bucket of concrete from the ground up to the top of a 30.0-m tall building. The bucket is initially at rest, but is traveling at 4.0 m/s when it reaches the top of the building. How much work was done by the man in lifting the bucket?

• A)5.88 kJ
• B)600 J
• C)760 J
• D)6.04 kJ
• E)160 J

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Definitions:

Supply Of Labor

The total hours that workers wish to work at a given wage rate, representing the workforce available for employment.

Unionized

A condition where employees are organized into unions to collectively bargain with employers over wages, benefits, and working conditions.

Union Wages

Wages that are negotiated by labor unions on behalf of their members, typically resulting in higher pay and better benefits compared to non-union wages.