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:

Confusing Identity

A state of uncertainty or conflict about one's sense of self, often experienced during periods of significant change or development.

Fidelity

The degree of accuracy or loyalty to an original source or to personal beliefs and values; in developmental psychology, Erikson defined it as the ability to maintain loyalties and values despite contradictions.

Sincerity

The quality of being open and genuine, without pretense or deceit.

Genuineness

The quality of being authentic, sincere, and honest in one’s feelings, actions, and relationships with others.