A 40-Kg Mass Has a Velocity of 4 $\degree$ North of East

question 9

Multiple Choice

A 4.0-kg mass has a velocity of 4.0 m/s,east when it explodes into two 2.0-kg masses.After the explosion one of the masses has a velocity of 3.0 m/s at an angle of 60 $\degree$ north of east.What is the magnitude of the velocity of the other mass after the explosion?

• A)7.9 m/s
• B)8.9 m/s
• C)7.0 m/s
• D)6.1 m/s
• E)6.7 m/s

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Definitions:

Freud

Sigmund Freud was an Austrian neurologist known for founding psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Personality Traits

Fundamental characteristics or qualities that form an individual's distinctive character.

Social Interest

A concept in psychology that refers to an individual's inclination towards being interested in the welfare and well-being of others in society.

Adler

Alfred Adler was an Austrian medical doctor, psychotherapist, and founder of the school of individual psychology. He emphasized the importance of feelings of inferiority and the striving for superiority in his theories.