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A passenger on a moving train walks at a speed of 1.50 m/s due north relative...

A passenger on a moving train walks at a speed of 1.50 m/s due north relative to the train. The passenger's speed with respect to the ground is 4.5 m/s at an angle of 31.0°west of north. What are the magnitude and direction of the velocity of the train relative to the ground?

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