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Jacques and George Meet in the Middle of a Lake

Question 10

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 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. 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 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. but the final kinetic energy is zero.
B) The final momentum is in the direction opposite of 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. but the final kinetic energy is zero.
C) The final momentum is in the direction of 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. 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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