Jacques and George Meet in the Middle of a Lake

question 9

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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