An 80-G Particle Moving with an Initial Speed of 50

question 60

Multiple Choice

An 80-g particle moving with an initial speed of 50 m/s in the positive x direction strikes and sticks to a 60-g particle moving 50 m/s in the positive y direction. How much kinetic energy is lost in this collision?

• A) 96 J
• B) 89 J
• C) 175 J
• D) 86 J
• E) 110 J

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Definitions:

Preoperational Thinking

A stage in Piaget's theory of cognitive development where children from about 2 to 7 years old develop memory and imagination, but do not yet think logically.

Cognitive Abilities

The mental skills and capacities for learning, reasoning, problem-solving, and processing information.

Theory Of Mind

The ability to attribute mental states—beliefs, intents, desires, emotions, knowledge—to oneself and to others and to understand that others have beliefs, desires, and intentions that are different from one's own.

Individuality

The quality or character of being individual; a distinct personality that sets one person apart from others.