A Toy Car of Mass 4

question 10

Multiple Choice

A toy car of mass 4.0 kg is sitting stationary when a child rolls a toy truck of mass 6.5 kg straight towards it in the negative x-direction with a speed of 5.0 m/s.The velocity of the center of mass of the system consisting of the two toys is

• A)2.1 m/s .
• B)-2.1 m/s .
• C)3.1 m/s .
• D)-3.1 m/s .
• E)33 m/s .

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Definitions:

Attention-Deficit Hyperactivity

A neurodevelopmental disorder characterized by patterns of inattention, hyperactivity, and impulsivity that are more severe than typically observed.

DSM-IV

The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, a manual published by the American Psychiatric Association outlining standardized criteria for the diagnosis of mental disorders.

Axis I

was used in the DSM-IV (Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition) to classify most major mental health disorders, including mood, anxiety, and psychotic disorders.

Personality Disorder

A mental disorder defined by persistent patterns of maladaptive behavior, thought, and internal experience.