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Q. A 59kg man walks from one end of a 3.2m 160kg boat to the other. if there is no friction between the boat and the water and the man's starting position is x=0, what is the final position of the man and the final position of the center of the boat?

Q. A charge of 3 C is placed at the point (4.0 m, 0.0 m) and a charge of 3 C is placed at the point (3.0 m, -3.0 m) . What is the magnitude of the electric field (in N/C) at the point (-2.0 m, 3.0 m)?

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