An Open Box-Car Has a Mass of 30,000 Kg and Is

question 28

Multiple Choice

An open box-car has a mass of 30,000 kg and is moving on a level railroad track at 4.00 m/s.1,000 kg of water falls straight down into the box-car.The velocity of the box-car after the water falls into the box-car is

• A) 7.01 m/s.
• B) 6.55 m/s.
• C) 5.02 m/s.
• D) 3.87 m/s.
• E) 2.89 m/s.

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Definitions:

Economic Fluctuations

Variations in the level of economic activity over periods of time, which can include cycles of growth and recession.

Natural Rate

The natural rate often refers to the natural rate of unemployment, which is the level of unemployment consistent with sustainable economic growth, without accelerating inflation.

Unemployment Insurance

A state initiative offering short-term monetary support to individuals who are out of work due to circumstances beyond their control.

Temporary-Help Industry

Refers to a sector comprising companies that provide employees to other businesses on a temporary basis. These firms often specialize in supplying temporary workers for office administration, industrial labor, or professional roles.