An Astronaut in a Space Suit Is Motionless in Outer

question 19

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 50 m/s.The astronaut recoils with a velocity of 1.0 m/s.If the mass of the astronaut and space suit after the gas is ejected is 120 kg,the mass of the gas ejected is

• A) 1.0 kg.
• B) 1.9 kg.
• C) 2.4 kg.
• D) 3.00 kg.
• E) 3.6 kg.

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Definitions:

Amine

An organic compound derived from ammonia; characterized by the presence of a nitrogen atom bonded to carbon atoms.

Boiling Point

The specific temperature at which a liquid changes to gas at a given pressure, indicative of a substance's volatility.

Compounds

Substances made up of two or more elements chemically combined in fixed ratios, often resulting in properties different from the constituent elements.

Trimethylaziridine

A chemical compound characterized by a three-membered ring structure containing nitrogen and three methyl groups.