Which of the Following Four Objects Has the Least Kinetic

question 1

Multiple Choice

Which of the following four objects has the least kinetic energy?

• A) An object of mass m moving with speed 4v
• B) An object of mass 3m moving with speed 2v
• C) An object of mass 4m moving with speed v
• D) An object of mass 2m moving with speed 3v
• E) None of these; all four objects have the same kinetic energy.

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Definitions:

Concrete Operational Stage

A stage in Piaget's theory of cognitive development, typically occurring between the ages of 7 and 11, where children develop logical thinking but still struggle with abstract concepts.

Cognitive Development

The process of growth and change in intellectual capabilities such as thinking, reasoning, and understanding, through childhood and adolescence into adulthood.

Identity Status

Refers to the four stages of identity development proposed by James Marcia, including achievement, moratorium, foreclosure, and diffusion.

Identity Achievement

A stage in identity development where an individual has explored various options and made deliberate choices, resulting in a sense of self.