ms 1 4 5 4 ms 1 a man walking due west with a speed of 4m s wind appears to blow from the north east when he increases his speed

Question

ms 1 4 5 4 ms 1 a man walking due west with a speed of 4m s wind appears to blow from the north east when he increases his speed to 7m s the wind appears to blow from the north Find velocity of wind with respect to ground 1 50 3 58 swimmer heads directly 1 6 m s relative downstr 2 40 4 42

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