Jacques and George Meet in the Middle of a Lake

question 2

Multiple Choice

Jacques and George meet in the middle of a lake while paddling in their canoes. They come to a complete stop and talk for a while. When they are ready to leave, Jacques pushes George's canoe with a force to separate the two canoes. What is correct to say about the final momentum and kinetic energy of the system if we can neglect any resistance due to the water?

• A) The final momentum is in the direction of but the final kinetic energy is zero.
• B) The final momentum is in the direction opposite of but the final kinetic energy is zero.
• C) The final momentum is in the direction of and the final kinetic energy is positive.
• D) The final momentum is zero and the final kinetic energy is zero.
• E) The final momentum is zero but the final kinetic energy is positive.

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Definitions:

Body Fat

The portion of the human or animal body composed of fat tissues, serving as energy storage and insulation.

Puberty

The phase of life in which a child develops into an adult, marked by physical, emotional, and hormonal changes that prepare the body for reproduction.

Ventromedial

Relating to the lower-middle region of a structure or organ, often used in neuroanatomy to describe specific brain regions involved in regulating emotions and decision-making.

Hypothalamus

A region of the brain responsible for the regulation of various bodily functions, including temperature, hunger, and the release of certain hormones.