Two Bodies a and B Move Toward Each Other with Speeds

question 85

Multiple Choice

Two bodies A and B move toward each other with speeds of 80 cm/s and 20 cm/s,respectively.The mass of A is 140 g and that of B is 60 g.After a head-on,perfectly elastic collision,the speed of B is

• A)8.0 cm/s
• B)20 cm/s
• C)92 cm/s
• D)1.2 m/s
• E)1.3 m/s

Comprehend the stages of psychosocial development across the lifespan.

Recognize the significance of temperament in understanding individual differences in emotionality and arousal.

Understand the mechanisms and types of sensory systems, including pain perception.

Recognize and explain key concepts and principles of Gestalt psychology in perception.

---

Definitions:

Brain Activity

The functioning of the brain involving neuronal and synaptic processes.

Cognitive Therapy

Psychotherapy based on the perspective that thoughts intervene between events and emotions, and thus the treatment of emotional disorders requires changing maladaptive patterns of thinking.

Behavior Therapy

A type of psychotherapy that focuses on changing undesirable behaviors through conditioning and reinforcement strategies.

Psychotherapies

Various therapeutic methods employed to help individuals identify, understand, and manage their psychological, behavioral, and emotional issues.