# science,physics

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A ship is heading due north at 12km/h in a tide moving 5km/h westward. Determine the magnitude and direction of the resultant velocity of the ship?

• science,physics -

speed = sqrt (144 + 25)
= 13

tan angle north of west = 12/5
so angle = 67.4
so
west 67.4 north
or north 22.6 west
or

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