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標題:

geometry of space!!

發問:

A woman walks due west on the deck of a ship at 3 mi/h. The ship is moving north at a speed of 22mi/h. Find the speed and direction of the woman relative to the surface of the water.

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最佳解答:

Using Pyth. thm, the resultant speed value is: √(222 + 32) = 22.2 mi/h with direction N tan-1 (3/22) W = N7.77W

其他解答:7638E748CCC65837

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