SOLUTION: A ship is sailing due east at 15 km/hr. What must be the speed of a second ship heading in the direction 30 east of north. If it is always due north from the first ship.

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Question 626411: A ship is sailing due east at 15 km/hr. What must be the speed of a second ship heading in the direction 30 east of north. If it is always due north from the first ship.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A ship is sailing due east at 15 km/hr. What must be the speed of a second ship heading in the direction 30 east of north. If it is always due north from the first ship.
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The 2nd ship's speed is the hypotenuse of a right triangle with the right angle at the 1st ship.
The 2nd ship's speed = 15/cos(60) = 30 km/hr