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A plane is flying southeast at 215 km/h. Suddenly there is a wind from the north at 75 km/h. What is the plane's new velocity with respect to the ground in standard position?

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closed as off topic by Mark Eichenlaub, dmckee Jan 30 '12 at 18:22

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Welcome to Physics.SE. Our FAQ is very clear on "Do my homework"-type physics questions. – dmckee Jan 30 '12 at 18:23

You can easily add the vectors. Add component-wise in the north-south and west-east directions. Be careful for minus-signs. The velocity with respect to the ground will be the magnitude of the resulting vector.

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