Two Spacemen Are Floating Together with Zero Speed in a Gravity-Free

question 2

Multiple Choice

Two spacemen are floating together with zero speed in a gravity-free region of space.The mass of spaceman A is 120 kg and that of spaceman B is 90 kg.Spaceman A pushes B away from him with B attaining a final speed of 0.5 m/s.The final recoil speed of A is:

• A)0 m/s
• B)0.38 m/s
• C)0.43 m/s
• D)0.50 m/s
• E)1.0 m/s

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Definitions:

Psychoanalysis

A therapeutic approach that seeks to explore unconscious motives and conflicts as determinants of behavior.

Conscious

Conscious refers to the state of being awake and aware of one’s surroundings, thoughts, feelings, and existence.

Unconscious

The part of the mind that is not currently in focal awareness, hosting thoughts, memories, and desires that are not easily accessible but influence behavior and emotions.

Psychoanalyst

A therapist who practices psychoanalysis, a method of psychotherapy originating from the theories of Sigmund Freud, focusing on unconscious processes influencing behavior.