An Astronaut in a Space Suit Is Motionless in Outer

question 85

Multiple Choice

An astronaut in a space suit is motionless in outer space. The propulsion unit strapped to her back ejects some gas with a velocity of magnitude 40.0 m/s. The astronaut recoils with a velocity of 1.00 m/s in the opposite direction. If the mass of the astronaut and space suit after the gas is ejected is 100 kg and the mass of the gas ejected is 2.50 kg, then the total kinetic energy is

• A) 2,050 J.
• B) 3,430 J.
• C) 4,150 J.
• D) 5,070 J.
• E) 6,320 J.

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Definitions:

Labor Data for Tajnia

Statistical information related to the workforce, employment trends, and economic conditions within Tajnia.

Adults Employed

The portion of the adult population that is currently employed and working.

Adults Unemployed

Individuals who are of working age, not currently employed, and actively seeking employment but unable to find work.

Adults Not in the Labor Force

Individuals over the age of working who are neither employed nor actively seeking employment, excluding them from labor force statistics.