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You first walk 8.0 km north from home, then walk east until your displacement from home is 10.0 km. How far east did you walk?

You first walk 8.0 km north from home, then walk east until your displacement from home is 10.0 km. How far east did you walk?
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6 votes
You first walk 8.0 km north from home, then walk east until your displacement from home is 10.0 km. How far east did you walk?

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User James Wood
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1 Answer

11 votes
You use Pythagorean theorem

10^2 = 8^2 + b^2
100 = 64 + b^2
b^2 = 36
b = 6

You walked 6km east
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User Kookie
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8.9k points
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